Acute coronary artery stent thrombosis caused by a spasm: A case report

Figure 4 Acute thrombosis in a stent undergoing emergency percutaneous coronary intervention. A: The proximal part of the right coronary artery stent is occluded; B: After thrombus formation in the balloon-expanded stent, 90% stenosis of the distal right coronary artery is seen on the radiograph; C: The distal part of the right coronary artery is patent after the second nitroglycerin administration into the coronary artery, with Thrombolysis in Myocardial Infarction flow grade 3.