to test the hypothesis that , after anesthesia for noncardiac surgical procedures , the increased cardiac work during recovery induces wall motion and ejection fraction ( ef ) abnormalities in patients with mild angina pectoris , gated radionuclide angiography was performed in patients undergoing simple cholecystectomy under narcotic-relaxant general anesthesia .
C0002903
anesthesia
C0002915
general anesthesia