[Myocardial bridging of the left anterior descending coronary artery and dobutamine-induced left ventricular outflow tract gradient -- a case report].
We present a case of a 47-year-old patient with arterial hypertension and progressive ST segment changes with a T wave inversion during 2 years of observation. Coronary angiography showed myocardial bridging of LAD and no significant coronary artery stenosis. During subsequent two last years the patient was repeatedly hospitalised due to chest pain. During the last hospitalisation a dobutamine stress testing was performed which provoked an increased left ventricular outflow tract gradient. This finding may be attributed to an early phase of hypertrophic cardiomyopathy, or dobutamine specific phenomenon.
Kuliczkowski
Wiktor
W
Katedra i Klinika Kardiologii, Akademia Medyczna, ul. Pasteura 4, 50-367 Wrocław. wiktor6@wp.pl
Goździk
Anna
A
Protasiewicz
Marcin
M
Negrusz-Kawecka
Marta
M
Mazurek
Walentyna
W
D001283:Atrioventricular Node / Q000503:physiopathology*; D002316:Cardiotonic Agents / Q000008:administration & dosage / Q000009:adverse effects*; D017023:Coronary Angiography; D003331:Coronary Vessels / Q000187:drug effects* / Q000503:physiopathology*; D004280:Dobutamine / Q000008:administration & dosage / Q000009:adverse effects*; D025401:Echocardiography, Stress / Q000379:methods; D004562:Electrocardiography; D006352:Heart Ventricles / Q000187:drug effects*; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis* / Q000503:physiopathology*; D014694:Ventricular Outflow Obstruction / Q000139:chemically induced*
D002316:Cardiotonic Agents; D004280:Dobutamine