eMedicine Specialties > Emergency Medicine > Trauma & Orthopedics

Dislocation, Hand

Trevor John Mills, MD, MPH, Chief of Emergency Medicine, Veterans Affairs Northern California Health Care System; Associate Professor of Emergency Medicine, Louisiana State University Health Sciences Center

Updated: Aug 22, 2008

Introduction

Background

Hand injuries are commonly seen in the emergency department. Emergency physicians should be able to identify and manage digital dislocations. Complications can occur if the diagnosis is missed or delayed or if the joint is incompletely reduced or splinted improperly.

Patients should be referred to a hand specialist following treatment of hand dislocations.

Pathophysiology

Traumatic force to the hand can be transmitted to bone, soft tissue, nerves, and vascular structures. Because the structures of the hand are close to the surface and near each other, injury often results in a combination of fractures, dislocations, and soft tissue injury.

The distal interphalangeal (DIP) and proximal interphalangeal (PIP) joints both have lateral ligaments and a fibrous volar plate. Common dislocations are posterior or lateral. Typical forces resulting in DIP dislocations include a “jamming” blow to the end of the finger. The forces that commonly lead to dislocation of the PIP joint include an axial load or hyperextension. Lateral dislocations can result from radial- or ulnar-directed force on the joint.

Finger metacarpophalangeal (MCP) dislocations are rare and frequently are trapped by the surrounding ligaments, necessitating surgical relocation. MCP or palmar dislocations occur when a hyperextension movement occurs with rotation. The finger is bent back toward the top of the hand and is twisted during the injury. The finger may have been pushed, or compressed, during the injury. MCP dislocations are typically associated with fractures.

In thumb metacarpophalangeal (MCP) joint dislocations, the mechanism encountered most often is hyperextension that leads to volar dislocations. A significant lateral force can disrupt the collateral ligaments, resulting in instability. The gamekeeper's (skier's) thumb often results from a fall onto the hand with the thumb in abduction, such as when gripping a ski pole.

Carpometacarpal dislocations are not always high-energy injuries. Identification involves careful analysis of subtle findings on radiographs and may require additional radiographic views. Missed diagnosis of carpometacarpal dislocation can result in significant morbidity.

Frequency

United States

The annual incidence of all types of dislocations in the hand is approximately 67,000 in the United States.

Mortality/Morbidity

Anatomical restoration of dislocated joints is imperative to achieve good long-term outcomes. Accurate and stable reduction, early fixation, and initiating range of motion exercise are very important. Dislocations can lead to osteoarthritis, compression neuropathies, and carpal tunnel syndrome. Additional disability from chondrolysis, carpal instability, and traumatic arthritis can also occur.

  • Median or ulnar neuropathy can occur from direct nerve compression or increased pressure within the median or ulnar nerve canals. Evaluation of the patient's nerve status is especially important in the early evaluation of carpal dislocations.
  • Grip strength must be tested before and after reduction.

Age

Pediatric transcarpal fractures in children are rare, but the emergency physician must be cognizant that they do occur.

Clinical

History

Historical data about the mechanism of trauma can help lead the emergency physician’s assessment of hand injuries.

  • Historical data should include the following:
    • Traumatic mechanisms such as crush, distraction, and extension
    • Time of the event
    • Conditions of the event (important if there are associated contaminated versus clean wounds)
    • The patient's right or left hand dominance.
    • The patient's occupation: For therapy following the acute intervention, the specialist or hand therapist should be aware of the patient's occupation.
    • Previous hand injury, presence of fixation devices, or ligamentous laxity
  • The emergency physician must translate the mechanism of injury into forces, loads, rotations, extensions, reductions, joint deformities, and related forces that caused the dislocation. The emergency physician can then utilize this knowledge for the local or obvious deformity as well as distal or occult injuries. For example, the MCP joint may appear dislocated, but fractures are typically associated with MCP dislocations because rotational and compressive forces are involved. In this case, radiographs are required prior to any reduction attempt.

Physical

  • With significant injury to the digits, a comprehensive examination may be hindered by pain. A thorough visual inspection of the hand and fingers is the first required step. Inspect for deformity, skin color, skin temperature, skin integrity, and swelling. Distal digital sensation should be checked early and often.
  • Sensation examination includes testing for the following:
    • Light touch or deep pressure
    • Detection of sharp Vs dull discrimination
    • Detecting 2-points separated by 5 mm
    • Detecting temperature variation
  • The clinician must consider providing rapid pain relief to the patient. Digital block with a local anesthetic is an ideal, quick, and efficacious intervention. However, the clinician must have a working protocol with the hand specialist. In some cases, the hand specialist may want to examine the digit prior to the administration of the anesthetic. Reducing the patient's pain is a priority, but this priority must not occur without regard to performing a very thorough and well-documented neurovascular examination. The emergency physician and the hand specialist must establish some guidelines for eliminating the patient's pain but not compromise the examination and documentation for the provider who will have to provide ultimate follow-up, rehabilitation, and occupational guidelines.
  • The presence of pain can limit the examination. The patient can be made pain free, or the pain tolerable, prior to manipulating the hand or digit. Benefits of an examination with anesthesia include improved assessment of range of motion and digit stability.
  • Physical findings to look for in specific dislocations include the following:
    • Thumb MCP joint: Dislocations may be simple or complex. In simple dislocations, the phalanx sits perpendicular to the metacarpal. The volar plate is not trapped. In complex dislocations, the phalanx is positioned parallel to the metacarpal with the volar plate trapped in the joint. The gamekeeper's (skier's) thumb presents with pain and tenderness on the ulnar aspect of the thumb around the MCP joint. The extent of associated laxity depends on the amount of disruption and the ability of the examiner to stress the joint.
    • Finger MCP joints: Dislocations may be simple or complex. Simple dislocations can be identified as the base of the phalanx sits on the dorsum of the head of the metacarpal at a right angle. A complex dislocation may reveal a dimple on the palmar surface, and the digit may appear shortened and deviated to the ulnar side.
    • Finger PIP joints: Simple dorsal dislocations may include volar plate disruption. The middle phalanx is often perpendicular to the distal aspect of the proximal phalanx. With lateral dislocation, the digit often is deviated to the ulnar side.
    • Finger DIP joints: Open dislocations are common because of the strong support of the skin and periarticular structures.

Causes

  • Common mechanisms of injury include the following:
    • Industrial injuries
    • Athletic injuries
    • Falls
    • Motor vehicle collisions (MVCs)

Differential Diagnoses

Arthritis, Rheumatoid
Fractures, Hand
Gamekeeper Thumb
Hand Injury, Soft Tissue

Workup

Laboratory Studies

  • Laboratory studies are not typically necessary for the patient with an isolated interphalangeal joint dislocation. However, if the dislocation requires open reduction, general anesthesia, or anesthetic limb block, then preoperative laboratory studies may facilitate patient care.
  • On occasion, therapeutic drug levels, cardiac studies, coagulation studies, or preoperative microbial studies may be required if the dislocation involves an open joint or concurrent soft tissue contamination.

Imaging Studies

  • Edema, tenderness, or deformity at a joint or along the digit should prompt radiographic evaluation. Findings can be subtle; pain out of proportion to radiographic findings should heighten the physician's suspicion for significant injury.
  • The following views should be taken:
    • Anteroposterior
    • Lateral
    • Oblique
    • Stress views can be examined if ligamentous laxity is documented or suspected.
    • Postreduction images must follow even the most "routine" reductions.

Treatment

Prehospital Care

  • For patients with a hand dislocation arriving by EMS, immobilization of the deformed joint, covering soft tissue injury, and providing pain relief are the mainstays of prehospital treatment.

Emergency Department Care

Rapid pain relief, securing imaging studies, and expeditious reduction (closed or open) must be the triad that drives the emergency department protocol for treating isolated digit or hand dislocations.

Triage/initial evaluation and treatment

  • Many patients with an isolated digit or hand dislocation can be expeditiously treated from the time they arrive until the initial physician contact if protocols allow the nursing staff to provide analgesia and order the appropriate radiology study.
  • Pain management can consist of oral medication, intramuscular injection, or intravenous injection if determined by the severity of injury and the patient's medical history, allergic reaction profile, and expressed comfort level.
  • Oral medication can be problematic if the patient eventually requires open reduction. Therefore, pain management protocols should take this into account.
  • Imaging studies of the affected digit or hand can easily be part of an ED protocol. For example, radiographs of the isolated digit can be obtained if the triage or evaluating nurse assesses the patient to have a deformity at the distal or proximal finger joints.
Emergency department

Once a hand dislocation is identified and pain control in initiated, then relocation is the next step in patient care. Most hand dislocations are easily reduced by the emergency physician. Some dislocations may not be reducible by closed means because of the interposition of the volar plate or associated ligaments or tendons in the joint. If several attempts at reduction are not successful, consultation and open reduction and internal fixation (ORIF) often is indicated. A thorough assessment of stability should be performed following a successful reduction.

Specific reductions 

  • Distal interphalangeal joint of the fingers
    • The DIP joint of the finger is a very vulnerable area. Surprisingly, dislocations in this area are uncommon because of the strong support of the joint by skin and periarticular structures. With the appropriate intensity of force applied, however, the strong support network is unyielding and the skin may tear, leading to an open dislocation.
    • Reduce the dislocation with longitudinal traction and hyperextension, with firm dorsal pressure on the base of the distal phalanx. Open reduction rarely is needed in this type of dislocation.
    • After the dislocation is reduced, assess the stability of the joint to rule out evidence of tendon injury.
    • Immobilize the joint with a dorsal splint in flexion if volar dislocation has occurred without tendon injury and in extension if the dislocation is dorsal and without tendon injury. (Also see, Joint Reduction, Finger Dislocation.)
  •  Proximal interphalangeal joint of the fingers
    • Dorsal dislocations are reduced by applying longitudinal traction and mild hyperextension with dorsal pressure on the proximal aspect of the middle phalanx.
    • Immobilization of simple dislocations without instability should be brief.
    • If the patient continues to perform activities that may put the digit at risk for subsequent dislocations, the digit should be protected with buddy taping and/or splinting during the activity.
    • Volar dislocation of the PIP joint of a finger is relatively uncommon. When a volar dislocation occurs, the proximal phalanx can rupture through the transverse retinacular fibers between the lateral band and the central tendon. The lateral bands may become interposed, making closed reduction difficult. If the volar plate is ruptured and the extensor mechanism avulsed, a Boutonnière deformity may result. Open reductions normally are performed for these injuries. Occasionally, closed reduction may be performed. If the joint remains stable, immobilize the digit briefly in a slightly flexed position.
  •  Metacarpophalangeal joints of the fingers
    • Dislocation of an MCP joint of the fingers most often involves the index or small finger.
    • Dislocations here are relatively uncommon because of the strength of the periarticular structures.
    • Dislocations may be simple or complex. A complex dislocation nearly always needs open reduction because of an interposed volar plate.
    • Closed reduction may be accomplished by using traction along the axis of the hyperextended phalanx and firmly pushing the base of the dislocated phalanx toward the MCP joint.
    • Assess stability of the joint after reduction and follow by immobilization.
    • Some controversy exists regarding length and position of immobilization. Some authors recommend early range of motion if no evidence of postreduction instability is observed.
  •  Interphalangeal joint of the thumb
    • Reductions usually are accomplished via closed means.
    • This particular dislocation may present with associated rupture of flexor pollicis longus.
    • Following evaluation and reduction, immobilize the involved joint with a thumb spica splint. The period of joint immobilization should be brief to avoid joint stiffening.
  •  Metacarpophalangeal joint of the thumb
    • Anterior dislocations are classified as simple or complex. The appropriate method of reduction of a dislocation depends on the type of dislocation.
    • For simple dislocations, the clinician should avoid pure traction, as this can convert a simple dislocation into a complex dislocation. Reduction is achieved by emphasis of pushing the phalanx into the MCP joint rather than pulling it into place.
    • After 1-2 attempts at reduction are unsuccessful, an open reduction must be performed. More aggressive and repeated attempts at reduction may lead to fracture.
    • An interposed volar plate or intrinsic muscle may be the reason for failed attempts at closed reduction.
    • After the dislocation is reduced, immobilize the joint with a thumb spica splint.
    • The length of immobilization varies, but clinicians should avoid extended immobilization and minimize immobilization of unaffected areas.
    • Instability of the thumb is an indication for referring the patient to a hand specialist. (Also see, Joint Reduction, Thumb Dislocation.)

Consultations

Complex and open dislocations should be evaluated by a hand surgeon for open reduction. In addition, those individuals with fracture-related dislocation require further evaluation by a hand surgeon.

Medication

Near immediate pain relief can be provided when the patient receives an injection of a local anesthetic along the path of the digital nerve, also known as a digital block, web-space, or palmar block. Of course, the digital nerve block must follow a very thorough neurosensory examination and (when indicated) discussion with the hand specialist.

Oral medications should be prescribed for the patient who is being discharged from the emergency department. Medications types may include nonsteroidal anti-inflammatory drugs with or without opiates.

Analgesics

Pain control is essential to quality patient care. It ensures patient comfort, promotes pulmonary toilet, and aids physical therapy regimens. Many analgesics have sedating properties that benefit patients who have sustained injuries.


Lidocaine (Dilocaine, Xylocaine)

Amide local anesthetic used in 1-2% concentration. Inhibits depolarization of type C sensory neurons by blocking sodium channels.
Must be used without epinephrine for digital block.
Local anesthetic injection can be improved:
Use smaller gauge needles, such as 27 gauge or 30 gauge. Make sure the solution is at body temperature. Infiltrate very slowly to minimize the pain.
Use buffered lidocaine. Buffering solution is effective in reducing pain of local lidocaine injection.
Sodium bicarbonate can be added to injectable lidocaine vial to produce "buffered" lidocaine.
Shelf-life of buffered lidocaine is approximately 1 wk.
All vials should be marked "buffered" and labeled with the time and date and signed by individual who created the buffered mixture.
Add ratio of 1 part bicarbonate to 9 parts lidocaine.
Stable at room temperature for 1 wk.
Cool skin before injection with ethyl chloride.
Use "imaging" discussion during the injection.
Time from administration to onset of action is 2-5 min with a duration of 1.5-2 h.
1% Xylocaine contains 10 mg of lidocaine for each 1 mL of solution.
2% Xylocaine contains 20 mg of lidocaine for each 1 mL of solution.

Dosing

Adult

3 mg/kg injection locally

Pediatric

Administer as in adults

Interactions

Coadministration with cimetidine or beta-blockers, increases toxicity of lidocaine; coadministration with procainamide and tocainide may result in additive cardiodepressant action; may increase effects of succinylcholine

Contraindications

Documented hypersensitivity to amide-type local anesthetics; avoid in Adams-Stokes syndrome and Wolff-Parkinson-White syndrome; avoid in severe sinoatrial, atrioventricular (AV), or intraventricular block, if artificial pacemaker not in place

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

Precautions

Use a solution without preservatives; caution in heart failure, hepatic disease, hypoxia, hypovolemia or shock, respiratory-depression and bradycardia; may increase risk of CNS and cardiac side effects in elderly persons; high plasma concentrations can cause seizures, heart block, and AV conduction abnormalities; must be used without epinephrine for digital blocks


Hydrocodone bitartrate and acetaminophen (Vicodin ES)

Drug combination indicated for relief of moderately severe to severe pain.

Dosing

Adult

1-2 tab or cap PO q4-6h prn

Pediatric

<12 years: 10-15 mg/kg/dose acetaminophen PO q4-6h prn; not to exceed 2.6 g/d of acetaminophen or 5 mg hydrocodone bitartrate/dose
>12 years: 750 mg acetaminophen PO q4h; not to exceed 5 doses/d acetaminophen or 10 mg hydrocodone bitartrate/dose

Interactions

Phenothiazines may decrease analgesic effects; CNS depressants or tricyclic antidepressants may increase toxicity

Contraindications

Documented hypersensitivity; high-altitude cerebral edema; elevated intracranial pressure

Precautions

Pregnancy

C - Fetal risk revealed in studies in animals but not established or not studied in humans; may use if benefits outweigh risk to fetus

Precautions

Tablets contain metabisulfite, which may cause hypersensitivity; caution in patients dependent on opiates because this substitution may result in acute opiate-withdrawal symptoms; caution in severe renal or hepatic dysfunction


Oxycodone and acetaminophen (Percocet)

Drug combination indicated for relief of moderately severe to severe pain. DOC for aspirin-hypersensitive patients. Different strengths available.

Dosing

Adult

1-2 tab or cap PO q4-6h prn

Pediatric

0.05-0.15 mg/kg/dose oxycodone PO q4-6h prn; not to exceed 5 mg/dose of oxycodone

Interactions

Phenothiazines may decrease analgesic effects; CNS depressants or tricyclic antidepressants may increase toxicity

Contraindications

Documented hypersensitivity

Precautions

Pregnancy

C - Fetal risk revealed in studies in animals but not established or not studied in humans; may use if benefits outweigh risk to fetus

Precautions

Duration of action may increase in elderly persons; be aware of total daily dose of acetaminophen patient is receiving; do not exceed 4000 mg/24 h of acetaminophen; higher doses may cause liver toxicity


Oxycodone and aspirin (Percodan)

Drug combination indicated for relief of moderately severe to severe pain.

Dosing

Adult

1-2 tab or cap PO q4-6h prn

Pediatric

0.05-0.15 mg/kg/dose oxycodone PO q4-6h prn; not to exceed 5 mg/dose of oxycodone

Interactions

Phenothiazines may decrease analgesic effects; CNS depressants or tricyclic antidepressants may increase toxicity; may potentiate anticoagulant effects of warfarin

Contraindications

Documented hypersensitivity; liver damage; hypoprothrombinemia; vitamin K deficiency; bleeding disorders; asthma
Because of association of aspirin with Reye syndrome, do not use in children (<16 y) who have the flu

Precautions

Pregnancy

D - Fetal risk shown in humans; use only if benefits outweigh risk to fetus

Precautions

Duration of action may increase in elderly persons; caution in renal or liver impairment, peptic ulcer disease, and erosive gastritis

Anxiolytics

Patients with painful injuries usually experience significant anxiety. Anxiolytics allow the clinician to administer a smaller analgesic dose to achieve the same effect.


Lorazepam (Ativan)

Sedative hypnotic in benzodiazepine class that has short onset of effect and relatively long half-life. By increasing action of GABA, a major inhibitory neurotransmitter, may depress all levels of CNS, including limbic and reticular formation. Excellent for patients who need to be sedated for >24 h.

Dosing

Adult

1-10 mg/d PO divided bid/qid; not to exceed 4 mg/dose

Pediatric

0.05-0.1 mg/kg IV slowly over 2-5 min; may repeat a dose of 0.05 mg/kg IV slowly

Interactions

Alcohol, phenothiazines, barbiturates, or MAOIs increase CNS toxicity

Contraindications

Documented hypersensitivity; preexisting CNS depression; hypotension; narrow-angle glaucoma

Precautions

Pregnancy

D - Fetal risk shown in humans; use only if benefits outweigh risk to fetus

Precautions

Caution in renal or hepatic impairment, myasthenia gravis, organic brain syndrome, or Parkinson disease

Nonsteroidal anti-inflammatory agents (NSAIDs)

These agents are most commonly used for the relief of mild to moderately severe pain. Although the effects of NSAIDs in the treatment of pain tend to be patient specific, ibuprofen is usually the DOC for initial therapy. Other options include ketoprofen and naproxen.


Ibuprofen (Ibuprin, Advil, Motrin)

DOC for treatment of mild to moderately severe pain, if no contraindications. Inhibits inflammatory reactions and pain, probably by decreasing activity of enzyme cyclooxygenase, inhibiting prostaglandin synthesis.

Dosing

Adult

200-400 mg PO q4-6h prn; not to exceed 3.2 g/d

Pediatric

<6 months: Not established
6 months to 12 years: 20-40 mg/kg/d PO divided tid/qid
>12 years: Administer as in adults

Interactions

Aspirin increases risk of inducing serious NSAID-related adverse effects; probenecid may increase concentrations and, possibly, toxicity; may decrease effects of hydralazine, captopril, and beta-blockers; may decrease diuretic effects of furosemide and thiazides; may increase PT in patients taking anticoagulants—monitor PT regularly and instruct patients to watch for signs of bleeding; may increase risk of methotrexate toxicity; may increase phenytoin levels

Contraindications

Documented hypersensitivity; peptic ulcer disease; recent GI bleeding or perforation; renal insufficiency; high risk of bleeding

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

D - Fetal risk shown in humans; use only if benefits outweigh risk to fetus

Precautions

Caution in CHF, hypertension, and decreased renal or hepatic function; caution in coagulation abnormalities or during anticoagulant therapy


Ketoprofen (Oruvail, Orudis, Actron)

Used for relief of mild to moderately severe pain and inflammation.
Administer small dosages initially to patients with small body size, elderly persons, and those with renal or liver disease. Doses higher than 75 mg do not increase therapeutic effects. Administer high doses with caution, and closely observe patient for response.

Dosing

Adult

25-50 mg PO q6-8h prn; not to exceed 300 mg/d

Pediatric

<3 months: Not established
3 months to 12 years: 0.1–1 mg/kg PO q6-8h
> 12 years: Administer as in adults

Interactions

Aspirin increases risk of inducing serious NSAID-related adverse effects; probenecid may increase concentrations and, possibly, toxicity; may decrease effects of hydralazine, captopril, and beta-blockers; may decrease diuretic effects of furosemide and thiazides; may increase PT in patients taking anticoagulants—monitor PT regularly and instruct patients to watch for signs of bleeding; may increase risk of methotrexate toxicity; may increase phenytoin levels

Contraindications

Documented hypersensitivity

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

D - Fetal risk shown in humans; use only if benefits outweigh risk to fetus

Precautions

Caution in CHF, hypertension, and decreased renal or hepatic function; caution in coagulation abnormalities or during anticoagulant therapy


Naproxen (Anaprox, Naprelan, Naprosyn)

Used for relief of mild to moderately severe pain. Inhibits inflammatory reactions and pain by decreasing activity of enzyme cyclooxygenase, which decreases prostaglandin synthesis.

Dosing

Adult

500 mg PO initial dose, followed by 250 mg PO q6-8h; not to exceed 1.25 g/d

Pediatric

<2 years: Not established
>2 years: 2.5 mg/kg/dose PO; not to exceed 10 mg/kg/d

Interactions

Aspirin increases risk of inducing serious NSAID-related adverse effects; probenecid may increase concentrations and, possibly, toxicity; may decrease effects of hydralazine, captopril, and beta-blockers; may decrease diuretic effects of furosemide and thiazides; may increase PT in patients taking anticoagulants—monitor PT regularly and instruct patients to watch for signs of bleeding; may increase risk of methotrexate toxicity; may increase phenytoin levels

Contraindications

Documented hypersensitivity; peptic ulcer disease; recent GI bleeding or perforation; renal insufficiency

Precautions

Pregnancy

B - Fetal risk not confirmed in studies in humans but has been shown in some studies in animals

D - Fetal risk shown in humans; use only if benefits outweigh risk to fetus

Precautions

Acute renal insufficiency, interstitial nephritis, hyperkalemia, hyponatremia, and renal papillary necrosis may occur; patients with preexisting renal disease or compromised renal perfusion risk acute renal failure; leukopenia occurs rarely, is transient, and usually returns to normal during therapy; persistent leukopenia, granulocytopenia, or thrombocytopenia warrants further evaluation and may require discontinuation of drug

Follow-up

Further Inpatient Care

  • Patients with dislocations that are not reducible in the ED should be admitted to a hand specialist. 
  • Patients with open joints or other significant hand injuries may also need admission.

Further Outpatient Care

  • Patients treated and discharged from the ED should have oral analgesia prescribed as part of their outpatient care.

Transfer

  • Patients requiring a hand specialist, without one immediately available, may need to be transferred to a facility with a higher level of care.

Complications

  • Instability, joint stiffness, hyperextension, and flexion deformity may develop as a result of the dislocation or damaged periarticular structures. Additionally, overly aggressive attempts at reduction of a dislocation can lead to fracture of the digit.

Patient Education

  • For excellent patient education resources, visit eMedicine's Breaks, Fractures, and Dislocations Center. Also, see eMedicine's patient education article, Broken Hand.

Miscellaneous

Medicolegal Pitfalls

  • Failure to take special precautions and considerations: As with other dislocations of the extremities, the majority of hand dislocations are fairly obvious as a result of the associated deformity.
  • Failure to consider an occult fracture: If radiographs are obtained and no identifiable fracture is visible, yet the patient remains in a significant amount of discomfort, an occult fracture may be present. Proper splinting and urgent referral may be indicated.
  • Failure to consider a growth plate injury: A child or adolescent with open growth plates who remains in pain even though radiographs reveal no fracture may have a growth plate injury. Proper splinting and urgent referral may be indicated.

Special Concerns

  • Every emergency physician should have a firm understanding of the acute management of simple dislocations of the digits. Historical, physical, and radiographic findings often guide the management of the dislocation. When the dislocation is complicated, consult with and/or refer to a hand surgeon. Generally, reduced dislocations without evidence of instability and near-normal range of motion can be treated by brief immobilization and subsequent referral.

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Keywords

hand dislocation, dislocated hand, digital dislocations, finger dislocation, wrist dislocation, metacarpophalangeal dislocation, palmar dislocation, thumb metacarpophalangeal joint dislocation, MCP joint dislocation, proximal interphalangeal joint dislocation, PIP joint dislocation, distal interphalangeal joint dislocation, DIP joint dislocation

Contributor Information and Disclosures

Author

Trevor John Mills, MD, MPH, Chief of Emergency Medicine, Veterans Affairs Northern California Health Care System; Associate Professor of Emergency Medicine, Louisiana State University Health Sciences Center
Trevor John Mills, MD, MPH is a member of the following medical societies: American Academy of Emergency Medicine, American College of Emergency Physicians, American Public Health Association, Society for Academic Emergency Medicine, Southern Medical Association, and Wilderness Medical Society
Disclosure: Nothing to disclose.

Medical Editor

James E Keany, MD, FACEP, Medical Director, JetWest International Air Ambulance; Consulting Staff, Department of Emergency Services, Mission Hospital Regional Medical Center; Host of The Bodcast at Jim.MD
James E Keany, MD, FACEP is a member of the following medical societies: American College of Emergency Physicians, American College of Sports Medicine, and California Medical Association
Disclosure: Nothing to disclose.

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Francisco Talavera, PharmD, PhD, Senior Pharmacy Editor, eMedicine
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Managing Editor

Eric Legome, MD, Chair, Department of Emergency Medicine, St Vincent's Hospital, Manhattan
Eric Legome, MD is a member of the following medical societies: Alpha Omega Alpha, American Academy of Emergency Medicine, American College of Emergency Physicians, Council of Emergency Medicine Residency Directors, and Society for Academic Emergency Medicine
Disclosure: Nothing to disclose.

CME Editor

John D Halamka, MD, MS, Associate Professor of Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center; Chief Information Officer, CareGroup Healthcare System and Harvard Medical School; Attending Physician, Division of Emergency Medicine, Beth Israel Deaconess Medical Center
John D Halamka, MD, MS is a member of the following medical societies: American College of Emergency Physicians, American Medical Informatics Association, Phi Beta Kappa, and Society for Academic Emergency Medicine
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Chief Editor

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Acknowledgments

The authors and editors of eMedicine gratefully acknowledge the contributions of previous author, Jerome FX Naradzay, MD, to the development and writing of this article.

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