Harvard Health Letter

Angina: What can happen if a heart is in need of blood

A primer on what can happen if a heart is in need of blood.

You're walking up the stairs and feel some tightness in your chest. You've just had a nice, big meal and start to feel an odd, squeezing sensation in — this is weird — your jaw. You wake up in the middle of the night, and it feels like someone is sitting on your chest.

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