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Atrioventricular block (first, second, or third degree)

Atrioventricular block (first, second, or third degree) is a topic covered in the Diagnosaurus.

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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 RF. Atrioventricular block (first, second, or third degree). Diagnosaurus. 4th ed. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_. Accessed April 20, 2019.
Zeiger, R. F. (2014). Atrioventricular block (first, second, or third degree). In Diagnosaurus. Available from https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_
Zeiger RF. Atrioventricular Block (first, Second, or Third Degree) [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2019 April 20]. 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
TY - ELEC T1 - Atrioventricular block (first, second, or third degree) ID - 114583 A1 - Zeiger,Roni F, Y1 - 2014/12/01/ BT - Diagnosaurus UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114583/all/Atrioventricular_block__first__second__or_third_degree_ PB - McGraw-Hill Education ET - 4 DB - Emergency Central DP - Unbound Medicine ER -