Mean

Mean Arterial Pressure (MAP)

Mean Arterial Pressure (MAP) is a term used in medicine to refer to the average pressure in a person's arteries during one cardiac cycle. It is considered a better indicator of perfusion to vital organs than systolic blood pressure (SBP).

Pronunciation: /miːn ɑːrˈtɪərɪəl ˈprɛʃər/

Etymology: The term "Mean Arterial Pressure" is derived from the English words "mean" (average), "arterial" (pertaining to the arteries), and "pressure" (force exerted by a fluid).

Calculation

MAP is calculated using the formula: MAP = Diastolic Blood Pressure (DBP) + 1/3 (Systolic Blood Pressure (SBP) - DBP)

Clinical Significance

MAP is used to measure the flow of blood within the vessels. It is an important factor in terms of Hypertension and Hypotension, as well as in the management of patients with Shock and other critical conditions.

Related Terms

• Blood Pressure
• Systolic Blood Pressure
• Diastolic Blood Pressure
• Hypertension
• Hypotension
• Shock

External links

• Medical encyclopedia article on Mean
• Wikipedia's article - Mean

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