® 重废譬科大学 hongqing Medical University ■Angina of effort Episodic chest pain,relieved by resting or by administration of amyl nitrite or nitroglycerin
圈重走普科大子 hongqing Medicol University Variant angina -uncommonly -occurs at rest (early morning),no relates to exercise stress,excitement
® 重废等什大学 hongqing Medical University 2.Myocardial infarctions Myocardial necrosis result from the break of coronary blood supply ■ischemic pain -a tightening retrosternal pain -the onset is sudden -not relieved by rest or vasodilators -accompanied by signs of autonomic stimulation
重蹇等科大学 hongqing Medicol University Types -Subendocardial myocardial infarction -Limited to the inner one third of the ventricular wall -Transmural myocardial infarction -Infarction of full thickness of ventricular wall
重秀废骑科大净 Chongqing Medical University Distribution of infarction -the apical and anterior part of the wall of the left ventricles -the anterior part of the interventricular septum