Symptoms of exertional dyspnea, orthopnea, examine for cardiomegaly for 3rd and 4th heart sounds & crackles. Check for hx of cardiac disease (e.g. IHD, old MIs). If there is worsening of edema and/or progressive dyspnoea, look for an acute precipitant (e.g. new ischaemia, arrhythmia, or noncompliance to fluid restriction). Displaced apex beat.