First degree AV block medical therapy: Difference between revisions

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Revision as of 05:22, 24 July 2021

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]

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 ==Medical Therapy==
-* Correction of reversible causes of the block such as [[ischemia]], medications, [[electrolyte imbalance]]s, and vagotonic conditions should be considered.
-* Treatment in emergency situations (severe [[bradycardia]]) includes [[atropine]]/[[isoproterenol]] and an [[external pacer]].
+* Commonly, there is no need for treating [[first-degree AV block]].
-* Implantation of [[permanent pacemaker]]s is not usually indicated in first degree heart block.
+*[[Permanent pacemaker]] indicates only for [[symptomatic]] [[first-degree AV block]] with PR>300 ms, [[neuromuscular]] [[disease]], or in  presence of [[wide QRS]] compelex.
-* This condition does not require admission unless there is an associated [[myocardial infarction]]. Even though it usually does not progress to higher forms of heart block, it may require outpatient follow up and monitoring of the [[EKG]] especially if there is an associated [[bundle branch block]].
+* [[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==