Question

what causes left side back pain when breathing

Answer 1

It can be a result of angina.

This pain can be associated with pressure, fullness, or tightness in the chest. It can also radiate to the back, neck, jaw, shoulders, and arms (especially the left arm). The pain can be accompanied by shortness of breath, diaphoresis, dizziness, or nausea. Chest pain caused by angina is typically brought on by exercise, emotional stress, meals, cold air, or smoking.

Chest pain associated with an MI is usually more severe and lasts longer. This is due to the pathophysiologic differences between angina and MI. Angina is only a temporary reduction of blood flow to the heart, whereas an MI causes permanent damage. Furthermore, an MI may occur at any time and may not be related to any particular activity.

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