Systemic vascular resistance is twice that of normal, treatment should be: (A) Adrenaline, (B) Nor adrenaline, (C) Sodium nitroprusside, (D) Isoprenaline
Answer is C. Increase in systemic vascular resistance means vasoconstriction, this is a vasodilator drugs like nitroprusside is given. Adrenaline and noradrenaline act as vasopressors whereas isoprenaline increases systolic blood pressure by acting on hea Refer kDT 7/e p567