New York Heart Association (NYHA) functional class, and exercise capacity and decreases hospitalizations for heart failure for patients who have severe heart failure and a wide QRS. It is unclear ...

Your provider will first use the ACC/AHA classification model to diagnose which stage of HF you're experiencing. The NYHA ...

Since most of the clinical trials of -blocking agents have been conducted in patients with heart failure NYHA functional class II/III, until recently there was limited information regarding safety ...