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 ...

Patients with symptomatic (New York Heart Association [NYHA] class III or IV) systolic (left ventricular ejection fraction [LVEF] ≤40%) congestive heart failure (CHF) were randomized to ...