title: ECG changes detect coronary artery bypass graft occlusion without hemodynamic instability.
mesh_terms: D001026:Coronary Artery Bypass; D003327:Coronary Disease / Q000150:complications / Q000175:diagnosis; D004562:Electrocardiography; D006083:Graft Occlusion, Vascular / Q000175:diagnosis*; D006321:Heart / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000175:diagnosis