Best treatment for a patient with first-degree hea block who presented with complaints of dizziness
Correct Answer: Pacemaker
Description: In general, no treatment is indicated for asymptomatic isolated first-degree atrioventricular (AV) hea block. For patients with marked first-degree AV block (PR interval > 300 msec), however, several uncontrolled trials have demonstrated symptomatic improvement with placement of a dual-chamber pacemaker, though there is little evidence suggesting improved survival. in patients with severe bradycardia or those with the possibility of progression to higher-degree AV block, medications (eg, atropine, isoproterenol) can be used in anticipation of inseion of a cardiac pacemaker. Ref Davidson 23rd edition pg 455
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