<qa>  What is the diagnosis of NYHA I, II or III heart failure?1. diagnosis of NYHA I, II or III heart failure as identified by any of the following physical findings of heart failure jugular venous distension, crackles, edema, S3; pulmonary edema on chest x-ray; BNP 100 pgml; or at least two of the following symptoms: paroxysmal nocturnal dyspnea, shortness of breath, swelling, fatigue; 