Atrioventricular block (first, second, or third degree)
Etiology
- Increased vagal tone (first degree or Mobitz type I)
- Drugs: digitalis, calcium channel blockers, beta blockers, clonidine, other sympatholytics, amiodarone, other antiarrhythmics
- Age-related conduction system fibrosis or calcification (Lev's disease)
- Cardiac infiltrative disease (e.g., amyloid, sarcoidosis, hemochromatosis)
- Myocardial ischemia or infarction
- Myocarditis
- Chagas' disease
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Last updated: December 1, 2014
Citation
Zeiger, Roni F.. "Atrioventricular Block (first, Second, or Third Degree)." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_.
Zeiger RFR. Atrioventricular block (first, second, or third degree). Diagnosaurus. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_. Accessed October 9, 2024.
Zeiger, R. F. (2014). Atrioventricular block (first, second, or third degree). In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_
Zeiger RFR. Atrioventricular Block (first, Second, or Third Degree) [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2024 October 09]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_.
* Article titles in AMA citation format should be in sentence-case
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