Overview
What is third-degree atrioventricular (AV) block?
How is third-degree atrioventricular (AV) block characterized?
What causes third-degree atrioventricular (AV) block?
What is the initial evaluation of third-degree atrioventricular (AV) block?
How is third-degree atrioventricular (AV) block treated?
How does third-degree atrioventricular (AV) block develop?
What is the pathophysiology of second-degree atrioventricular (AV) block?
What is the pathophysiology of first-degree atrioventricular (AV) block?
What is the pathophysiology of third-degree atrioventricular (AV) block?
What is atrioventricular (AV) dissociation?
What causes third-degree atrioventricular (AV) block?
What is congenital third-degree atrioventricular (AV) block?
What causes acquired atrioventricular (AV) block?
Which drugs or toxins are associated with third-degree atrioventricular (AV) block?
What are iatrogenic causes of third-degree atrioventricular (AV) block?
What is the prevalence of third-degree atrioventricular (AV) block?
What is the prognosis of third-degree atrioventricular (AV) block?
What are the possible complications of third-degree atrioventricular (AV) block?
What is included in patient education about third-degree atrioventricular (AV) block?
Presentation
What are the signs and symptoms of third-degree atrioventricular (AV) block?
What are the symptoms of third-degree atrioventricular (AV) block in patients with MI?
Which physical findings are characteristic of third-degree atrioventricular (AV) block?
What are the signs of congestive heart failure in third-degree atrioventricular (AV) block?
What are the signs of hypoperfusion in third-degree atrioventricular (AV) block?
DDX
What are the differential diagnoses for Third-Degree Atrioventricular Block (Complete Heart Block)?
Workup
What is the role of lab testing in the diagnosis of third-degree atrioventricular (AV) block?
What is the role of chest radiography in the diagnosis of third-degree atrioventricular (AV) block?
What is the role of echocardiography in the diagnosis of third-degree atrioventricular (AV) block?
What is the role of CT scanning in the diagnosis of third-degree atrioventricular (AV) block?
What is the role ECG in the diagnosis of third-degree atrioventricular (AV) block?
Which cardiac studies are performed in the evaluation of third-degree atrioventricular (AV) block?
Treatment
How is third-degree atrioventricular (AV) block treated?
What is included in the emergent management of third-degree atrioventricular (AV) block?
What is the role of atropine in the treatment of third-degree atrioventricular (AV) block?
Which activity modifications are used in the treatment of third-degree atrioventricular (AV) block?
How is third-degree atrioventricular (AV) block prevented?
What is included in long-term monitoring of third-degree atrioventricular (AV) block?
Medications
Which medications are used in the treatment of third-degree atrioventricular (AV) block?
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Third-Degree Atrioventricular Block (Complete Heart Block). ECG before and after complete heart block at the AV nodal level.
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Third-Degree Atrioventricular Block (Complete Heart Block). Complete heart block with wide complex escape.
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Third-Degree Atrioventricular Block (Complete Heart Block). Electrocardiogram from patient in complete heart block.
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Third-Degree Atrioventricular Block (Complete Heart Block). Transcutaneous cardiac pacing in a patient with third-degree heart block. Video courtesy of Therese Canares, MD; Marleny Franco, MD; and Jonathan Valente, MD (Rhode Island Hospital, Brown University).
Tables
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- Overview
- Presentation
- DDx
- Workup
- Treatment
- Approach Considerations
- Initial Management Considerations
- Atropine and Transcutaneous/Transvenous Pacing
- Pacemaker Implantation for Acquired AV Block in Adults
- Pacemaker Implantation for Chronic Bifascicular Block
- Pacemaker Implantation for AV Block After Acute MI
- Activity Restriction
- Prevention
- Consultations
- Long-Term Monitoring
- Show All
- Medication
- Questions & Answers
- Media Gallery
- References