CRT – the expanded indications

FDA Approves Medtronic CRT Devices for Mild HF With AV Block. This approval is based on the  BLOCK-HF trial. The approval expands the labeling on the defibrillating and pacing-only cardiac resynchronization therapy devices (CRT-D and CRT-P, respectively), which until now had been approved only for heart-failure patients with LVEF <35% and prolonged QRS intervals. The BLOCK-HF indications included a different niche of patients, those with first-, second-, or third-degree AV block, NYHA class 1-3 heart failure, and LVEF <50%. Read more @
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