If a person has a blood pressure of 120/90, his Mean Arterial Pressure (MAP) would be 100 mm hg.
Blood pressure is the pressure of the blood circulated by the heart upon the blood vessels carrying them. Blood pressure is measured using two units: Systolic blood pressure (SP) and Diastolic blood pressure (DP).
Mean Arterial Pressure (MAP) is the average of blood pressure during one cardiac cycle. The formula for MAP is = [tex]\frac{SP + 2DP}{3\\}[/tex].
According to the question,
SP = 120 mmHg
DP = 90 mmHg
Therefore, MAP = [tex]\frac{120 + 2 (90)}{3}[/tex] = [tex]\frac{120 + 180}{3}[/tex] = [tex]\frac{300}{3}[/tex]
MAP = 100 mm Hg
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