Causes of Atrioventricular (AV) Block
Acute- High vagal tone (may cause Mobitz type 1 second-degree AV block, but not Mobitz type 2 or complete AV block)
- Myocardial ischaemia/infarction
- Drugs (beta blockers, digoxin, diltiazem, verapamil, other antiarrhythmic drugs)
- Hyperkalaemia
- Infections: Lyme disease
- Myocarditis
- Infective endocarditis with aortic root abscess
Chronic |