First degree AV block medical therapy
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First degree AV block Microchapters |
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Diagnosis |
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First degree AV block medical therapy On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Zand, M.D.[2] Mohammed Salih, M.D., Cafer Zorkun, M.D., Ph.D. [3]
Overview
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 acute phase of myocardial infarction. Antiarrhythmic medications should be avoided in first-degreeAV block.
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.[1]
References
- ↑ Lewalter T, Pürerfellner H, Ungar A, Rieger G, Mangoni L, Duru F (August 2018). ""First-degree AV block-a benign entity?" Insertable cardiac monitor in patients with 1st-degree AV block reveals presence or progression to higher grade block or bradycardia requiring pacemaker implant". J Interv Card Electrophysiol. 52 (3): 303–306. doi:10.1007/s10840-018-0439-7. PMID 30105427.