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A systolic blood pressure less than 90mmHg due to hypoperfusion commonly defined as Cardiogenic shock. The hemodynamic criterias of cardiogenic shock cannot be separated from the fundamental aspects of normal cardiac function in the pathophysiology that leads to this shock (as shown in the diagram).

It consists clinical criteria and hemodynamic criteria to have diagnosis of cardiogenic shock according to this journal. The clinical criterias are systolic blood pressure less than 90mmHg, hypoperfusion signs (cool, clammy periphery, decreased urine output and level of consciousness. The hemodinamic criterias are left ventricular (LV) end diastolic pressure or pulmonary capillary wedge pressure >15 mm Hg and the cardiac index <2.2 L/min/m2.

As seen in the pathophysiology diagram, it shows the LV dysfunction that lead to cardiogenic shock. Decreased coronary blood flow results in decreased cardiac output, this condition leads to hypotension and progressively more cardiac ischemia and dysfunction. It will result stuttering ischemia and infarction in left ventricular failure.

Further detailed about the journal of this Cardiogenic Shock Diagnosis and Pathophysiology Diagram that was written by Eve D. Aymong from University of British Columbia and colleagues can be download in the pdf filetype (source: vuanhhospital.vn)