Hypotension and Cardiogenic Shock Hypotension Hypotension may be due to Decreased ventricular filling Loss of contractile force secondary to massive myocardial infarction Marked hypotension (eg, systolic BP < 90 mm Hg) with tachycardia and symptoms of end-organ hypoperfusion (reduced urine output, mental confusion, diaphoresis, cold extremities) is termed cardiogenic shock.