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EMT - NREMT Exam - Qbank 16
A patient with atherosclerotic heart disease experiences chest pain during exertion because:
the coronary arteries suddenly spasm and cause a marked reduction in myocardial blood flow
the ragged edge of a tear in the coronary artery lumen causes local blood clotting and arterial narrowing
tissues of the myocardium undergo necrosis secondary to a prolonged absence of oxygen
the lumen of the coronary artery is narrowed and cannot accommodate increased blood flow
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