释义 |
coronary steal
cor·o·nar·y steala steal caused by anomalous origin of the coronary artery from the pulmonary artery.coronary steal Cardiology A condition characterized by shunting of all relatively well oxygenated blood from a critical area of low perfusion, to an area of higher perfusion; it is unique as it may be iatrogenic and occur in pharmacologic stress imaging–see there, using dipyridamole to induce vasoconstriction; this causes a fall in blood flow to the subendocardium distal to the site of the stenosed coronary artery. See Steal. Cf Subclavian steal. |