Two multicenter trials drew different conclusions about the value of conduction system relative to biventricular pacing for left bundle branch block in heart failure.
Cardiac physiologic pacing, also known as cardiac resynchronization therapy, is indicated in patients with heart failure, reduced left ventricular ejection fraction (LVEF) of 50% or less, and either a ...
The findings suggest that use of the pacing technique during CRT should be reserved for expert operators, at least for now.
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