Assertion: cardiogenic shock | /r/HasProperty | susceptible to additional ischemic episodes
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text: Cardiogenic shock is characterized by systolic and diastolic myocardial dysfunction.15,25 Progressive myocardial necrosis has been observed consistently in clinical and pathologic studies of patients with cardiogenic shock.15,26 Patients who develop shock after admission often have evidence of infarct extension, which can result from reocclusion of a transiently patent infarct artery, propagation of intracoronary thrombus, or a combination of decreased coronary perfusion pressure and increased myocardial oxygen demand.17,18 Myocytes at the border zone of an infarction are more susceptible to additional ischemic episodes; these adjacent segments are at particular risk.27 Mechanical infarct expansion, which is seen most dramatically after extensive anterior MI, also can contribute to late development of cardiogenic shock.17,28