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 ?
(5) in 1973 coined a term "cardiac syndrome X" with the following three characteristics: 1.
There are limited data in literature to compare the MPV in cardiac syndrome X. This study was designed to compare MPVs of patients with cardiac syndrome X, patient with CAD and of normal controls.
The diagnosis of cardiac syndrome X was based on the presence of typical exercise-induced angina pectoris that was associated with transient ischaemic ST segment depression (> 1 mm) during the treadmill exercise testing with normal coronary angiogram in the absence of coronary artery spasm as determined by hyperventilation manoeuvre.
There was a female preponderance in cardiac syndrome X group, but not statistically significant.
Patients with the syndrome of angina and normal coronary arteries, the so called cardiac syndrome X, often exhibit the coronary slow flow phenomenon, described for the first time forty years ago by Tambe et al.
This is an interesting study since it tries to better define the relationship between two important, but not yet completely understood, pathophysiological elements in cardiac syndrome X, namely slow coronary flow and inflammation.
Coronary slow-flow causing transient myocardial hypoperfusion in patients with cardiac syndrome X: long-term clinical and functional prognosis.
Elevated circulating soluble form of CD40 ligand in patients with cardiac syndrome X. Atherosclerosis 2010; 213: 637-41.
She was eventually diagnosed with cardiac syndrome X, a mysterious condition which has baffled doctors for years.
It is the first time that heart abnormality has been identified in cardiac syndrome X.
It was on one of her numerous 999 dashes to her local hospital in Worthing, West Sussex, that a consultant suggested cardiac syndrome X.
Tandy was among 30 patients - 20 with cardiac syndrome X - who took part in the trial.