Indications for a Permanent Implantable Pacemaker in an Adult with Acquired Atrioventricular Block

Description

An adult with an acquired atrioventricular block may be a candidate for placement of a permanent implantable pacemaker if certain symptoms are present or if there is risk for sudden death.

First Degree Heart Block

Definite Indications	Possible Indications	Not Indicated
none	marked block in a patient with CHF	asymptomatic
	symptomatic with low cardiac output relieved by temporary pacing	block expected to resolve

Second Degree Heart Block

Definite Indications	Possible Indications	Not Indicated
with symptomatic bradycardia, permanent or intermittent	Mobitz Type II without symptoms, permanent or intermittent	block expected to resolve
	Mobitz Type I at or below His bundle without symptoms	Mobitz Type I above His bundle without symptoms

Third Degree Heart Block

Definite Indications	Possible Indications	Not Indicated
asymptomatic with escape rhythm < 40 beats per minute	asymptomatic, with average rate >= 40 beats per minute	block expected to resolve
asymptomatic with asystole > 3.0 seconds
symptomatic bradycardia
need for drugs causing symptomatic bradycardia
after catheter ablation of the AV junction
postoperative and not expected to resolve
associated with neuromuscular disease

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Indications for a Permanent Implantable Pacemaker in an Adult with Acquired Atrioventricular Block

Description

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