Now What Do I Do

_____ There is a blockage of blood flow from the heart to the lungs. This results in a ventilation-perfusion mismatch and impaired gas exchange. The pain is often sharp and accompanied by tachycardia and tachypnea. _____ A thrombus lodges itself in one of the coronary arteries and blocks blood flow to a portion of the left (or right) ventricle. ................
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