Answer :

Final answer:

Angina pectoris is chest pain due to reduced blood flow to the heart muscle, often felt as pressure in the chest and can be referred to the jaw, left arm, or back.


Explanation:

Angina pectoris is chest pain or discomfort due to reduced blood flow to the heart muscle, commonly felt as pressure or squeezing in the chest. Referred pain to the jaw, left arm, or back may also be present. It worsens with activity and improves with rest, and emotional stress can trigger it.


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