cardiac syndrome X

cardiac syndrome X

Ischemic chest pain in patients with normal coronary angiography results but abnormal findings on stress testing or myocardial imaging.

cardiac syndrome X

An informal term for the condition of a patient who suffers chest pain typical of angina but who shows no radiological evidence of coronary artery disease and electrocardiographic changes only on exercise stress testing. Some experts believe that this condition is due to transient narrowing of small coronary artery branches (microvascular spasm).
References in periodicals archive ?
The term Cardiac Syndrome X was first used in 1973 to describe a condition that still to this day remains a bit of a mystery.
Vasomedical (NasdaqSmallCap: VASO) today announced that data demonstrating the efficacy of EECP(R) therapy in treating patients with Cardiac Syndrome X, also known as microvascular angina, were presented at Clinical Research 2003, the National Meeting of the American Federation of Medical Research, in Baltimore, Maryland on March 8, 2003.
Patients with Cardiac Syndrome X experience chest pain typical of angina, but have no significant blockages in their epicardial coronary arteries.