This disorder is characterized by a reduction of oxygen to the heart,crushing chest pain,and difficulty in breathing,but no loss of consciousness or damage to the myocardium.

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The disorder described is angina pectoris, which is caused by reduced oxygen to the heart and results in chest pain and difficulty breathing, but does not result in unconsciousness or damage to the myocardium (heart muscle). Stroke and arrhythmia are not characterized by chest pain, and myocardial infarction (heart attack) involves damage to the myocardium.

This Disorder Is Characterized by a Reduction of Oxygen to the Heart,crushing