Second degree AV block medical therapy

Second degree AV block Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Cafer Zorkun, M.D., Ph.D. [2]

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Medical Therapy

Mobitz I

• Patients are usually asymptomatic and doesn't require a pacemaker.
• Correction of reversible causes of the block such as ischemia, medications, and vagotonic conditions should be addressed.

Mobitz II

• Correction of reversible causes of the block such as ischemia, medications, and vagotonic conditions should be considered.
• Treatment may also include medicines to control blood pressure and atrial fibrillation, as well as lifestyle and dietary changes to reduce risk factors associated with heart attack and stroke.
• Treatment in emergency situations are atropine and an external pacer.

Contraindicated medications

Second degree AV block(except in patients with a functioning artificial pacemaker) is considered an absolute contraindication to the use of the following medications:

• Adenosine
• Atenolol
• Betaxolol
• Bisoprolol
• Carteolol
• Diltiazem
• Disopyramide
• Dronedarone
• Fingolimod
• Nebivolol
• Penbutolol
• Pindolol
• Sotalol
• Timolol

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