Mean Arterial Pressure
Mean Arterial Pressure (MAP) is the average blood pressure during one cardiac cycle, representing the true perfusion pressure to vital organs. MAP = (SBP + 2×DBP) / 3.
- 1MAP = (SBP + 2×DBP) / 3
- 2Alternatively: MAP = DBP + (pulse pressure / 3)
- 3Normal MAP: 70–100 mmHg
- 4MAP < 65 mmHg: organ perfusion compromised
Blood pressure 120/80 mmHg=MAP = (120 + 160) / 3 = 93.3 mmHg (Normal)
| MAP (mmHg) | Status |
|---|---|
| < 65 | Critical — immediate intervention |
| 65–70 | Low — close monitoring |
| 70–100 | Normal — adequate perfusion |
| > 100 | Elevated — hypertension territory |
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