Abdominal Pain in Elderly Persons Clinical Presentation
- Author: E David Bryan, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP more...
History
Obtaining a careful history is especially important in elderly patients complaining of abdominal pain. Elderly patients are often less likely to volunteer key points in their symptom development and their medical history. Unfortunately, many elderly patients may be unable to give an adequate history due to predisposing conditions such as dementia or prior stroke.
Key points in the history include the following:
- Time of onset and course of the pain
- Sudden or gradual onset
- Location, quality, and severity of pain
- Radiation (eg, to back, groin, shoulder)
- Aggravating or precipitating factors (eg, food, position, medication)
- Palliative factors
- Prior similar episodes
- Ability to pass stool or flatus
Associated symptoms include the following:
- Fever, chills, or sweating
- Urinary symptoms (eg, dysuria, hematuria, hesitancy)
- Anorexia, nausea, vomiting, or diarrhea
- Melena or blood in the stool
- Dyspnea or chest pain
Medical history can provide clues as to the possible etiology of the pain. The following are particularly important to elicit:
- Diabetes
- Cardiovascular disease (hypertension, coronary artery disease, atrial fibrillation, peripheral vascular disease)
- Previous abdominal surgery
- Smoking history
- Alcohol use
- NSAID use
Physical
A thorough physical examination can help to identify the underlying cause of abdominal pain. In general, findings on abdominal examination tend to be less pronounced than in younger patients. Give special attention to the following systems:
Vital signs
Tachycardia or hypotension may be signs of ruptured AAA, septic shock, GI hemorrhage, or volume depletion.
Take a rectal temperature to detect fever or hypothermia.
Pulmonary
Pneumonia occasionally may cause abdominal pain without respiratory symptoms.
Cardiovascular
Acute myocardial infarction can present as epigastric pain with or without nausea and vomiting.
The finding of atrial fibrillation or signs of diminished cardiac output should raise the consideration of mesenteric ischemia.
Hypotension, even if transient, is an ominous sign and should elicit consideration of ruptured AAA, acute myocardial infarction, or septic shock.
Abdominal examination
High-pitched bowel sounds often are associated with bowel obstruction. Absent bowel sounds may indicate adynamic ileus or advanced bowel obstruction.
A tympanitic abdomen may be observed with bowel obstruction.
Elderly patients with peritonitis may lack classic peritoneal signs of rebound and guarding.
A palpable mass may indicate malignancy or phlegmon from ruptured appendix or diverticulitis. A pulsatile mass should raise the consideration of AAA.
Carefully look for the presence of hernia at the umbilicus, in the groin, or near the site of prior surgical incisions.
Genitourinary examination
Perform a rectal examination to identify tenderness, fecal impaction, and the presence of gross or occult blood. Failure to perform a rectal examination in patients with abdominal pain may be associated with an increased rate of misdiagnosis and should be considered a medicolegal pitfall.
Perform a pelvic examination in women regardless of whether the patient may have had a hysterectomy or is postmenopausal.
Causes
Causes of abdominal pain in elderly patients are as follows (see Pathophysiology for more information):
- Biliary tract disease
- Appendicitis
- Diverticulitis
- Mesenteric ischemia (risk factors include atrial fibrillation, atherosclerotic disease, and low ejection fraction)
- Peptic ulcer disease
- Malignancy
- Gastroenteritis
Bowel obstruction
Small bowel obstruction most often is caused by adhesions from previous surgery. In elderly patients, an incarcerated hernia, as shown below, causes approximately 30% of cases, and approximately 20% are caused by gallstone ileus.
CT scan of a 64-year-old woman with vague abdominal pain of 2 days' duration. Physical examination revealed a tender palpable mass in the left lower quadrant. CT scan reveals an incarcerated ventral hernia. Large bowel obstruction is most often caused by malignancy or volvulus.
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