What is a typical mean arterial pressure target in management of shock?

• A. MAP ≥60 mmHg
• B. MAP ≥65 mmHg
• C. MAP ≥85 mmHg
• D. MAP should not be used in shock management

Answer: (B)

Maintaining adequate organ perfusion pressure is the goal in shock, and mean arterial pressure (MAP) is the key measure used to guide that perfusion. MAP represents the average pressure in the arteries during a cardiac cycle and is a practical indicator of how well blood is reaching vital organs. In most adults, a MAP around 65 mmHg is used as the standard target to ensure sufficient cerebral, renal, and myocardial perfusion. If MAP stays below about 65 despite fluids, vasopressor therapy (like norepinephrine) is started to raise it to that level, avoiding both under-perfusion and excessive vasoconstriction that can harm organs. While some patients—such as those with chronic hypertension—might need individualized targets higher than 65, the typical, widely recommended goal is MAP ≥65 mmHg. Targets like 60 mmHg can be too low for reliable perfusion, and 85 mmHg is generally not required and may increase cardiac afterload and risk of ischemia.