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用汞栓塞左冠状动脉造成狗的心肌梗塞。在主动脉血压显示降低后5分钟及30分钟,心缩容量和分间容量都下降,左心室的工作量也见降低;左心房和肺动脉血压上升,因而肺动脉和周围循环的阻力增大。当周围阻力升至不能胜任时,血压下降至休克水平,并且对分间量的下降也代偿失效。
Left aortic coronary artery embolism caused by myocardial infarction. At 5 minutes and 30 minutes after the aortic blood pressure showed a decrease in both systolic and septal volumes, the workload in the left ventricle also decreased; the left atrium and pulmonary arterial pressure increased, resulting in increased resistance to pulmonary artery and peripheral circulation. When the surrounding resistance rose to not be competent, the blood pressure dropped to the level of shock, and the decline in decal volume also compensates for failure.