In syndrome X, patients have all of the following except-: (A) Angina like chest pain, (B) Ischemic ST segment depression, (C) Abnormal coronary aeriogram, (D) Excellent prognosis choice in
Answer is C. Cardiac syndrome X (CSX) is typical anginalike chest pain with evidence of myocardial ischemia in the absence of flow-limiting stenosis on coronary angiography. Cannon et al termed this entity, characterized by a decrease in coronary flow reserve without epicardial aery stenosis, microvascular angina. Ref Harrison 20th edition pg 1435