How to recognise it is heart failure or angina?

Angina is chest: Pain related to lack of oxygen to heart muscle whereas CHF is fluid retention , sob or fatigue related to impaired heart muscle performance...Talk to your cardiologist.

HF or angina: Angina is heart pain because not enough blood flow. This occurs with exertion, left sided pain that can radiate down left arm or to jaw. Heart failure symptoms come from fluid retention. There may be swelling in legs. Both cause shortness if breath, but in hf this is worse lying down. Chest pain in heart failure is fluid in the lungs a lot of the time.