Pre-infarct or unstable angina is a medical emergency because it can rapidly evolve into acute myocardial infarction.
The main manifestation of angina is the chest pain caused by atheromatic plaques. They develop complications by blocking the vessels that irrigate the heart.
Symptoms of a pre-infarct

You may think you have angina if you have at least one of the following signs or symptoms:

– chest pain, behind the sternum, going to the left upper limb, madibula, teeth or even to the back;
– pain is like a push, weight, burn or even a claw that clutches you;

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