First degree AV block echocardiography

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: Ahmed Elsaiey, MBBCH [2]

Echocardiography

• Ultrasound can be used in cases of first degree AV block in order to follow the improvement in the cardiac output when the dual chamber pacing used.
• Ultrasound can therefore be used to evaluate the need of the patients with first degree AV block to a permanent pacemaker.

More recently, cardiac resynchronization therapy (ie, biventricular pacing) has been applied in patients with cardiomyopathy, congestive heart failure, or intraventricular conduction delay (IVCD). First-degree AV block is frequently present in these patients as well.