Mean arterial pressure is calculated by which formula?

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Multiple Choice

Mean arterial pressure is calculated by which formula?

Explanation:
Mean arterial pressure represents the average pressure in the arteries throughout a cardiac cycle, and it’s used to assess organ perfusion. Because the heart spends more time in diastole than systole, the diastolic pressure is weighted more heavily in the average. The standard estimate is MAP ≈ (SBP + 2 × DBP) / 3, which is also DBP + 1/3 of the pulse pressure (pulse pressure = SBP − DBP). For example, with SBP 120 and DBP 80, MAP ≈ (120 + 160) / 3 ≈ 93 mmHg. Other simple formulas don’t account for the longer diastolic period and thus give less accurate estimates.

Mean arterial pressure represents the average pressure in the arteries throughout a cardiac cycle, and it’s used to assess organ perfusion. Because the heart spends more time in diastole than systole, the diastolic pressure is weighted more heavily in the average. The standard estimate is MAP ≈ (SBP + 2 × DBP) / 3, which is also DBP + 1/3 of the pulse pressure (pulse pressure = SBP − DBP). For example, with SBP 120 and DBP 80, MAP ≈ (120 + 160) / 3 ≈ 93 mmHg. Other simple formulas don’t account for the longer diastolic period and thus give less accurate estimates.

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