First degree AV block medical therapy

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

Medical Therapy

• Commonly, there is no need for treating first-degree AV block.
• Permanent pacemaker indicates only for symptomatic first-degree AV block with PR>300 ms, neuromuscular disease, or in presence of wide QRS compelex.
• First-degree AV block in the setting of acute myocardial infarction usually reverses after recovery from myocardial infarction.
• Antiarrhythmic medications should be avoided in first-degreeAV block.

References

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