Close look on angina

Angina is a sensation of squeezing, tightness or discomfort in the chest region. This is likely to occur once the heart does not receive adequate oxygenated blood. The condition is prevalent among middle-aged individuals and elderly. https://www.youtube.com/watch?v=zD9aXZY0pdY&t=9s What are the possible causes? Angina might be brought about any condition that affects the flow of blood …

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