Скачать или смотреть Mean Arterial Pressure (MAP): Definition, Formula, Normal Range & Clinical Importance”

MAP Explained: Easy Definition, Calculation Formula & Why It Matters in Critical Care”

✅ MAP (Mean Arterial Pressure)
Definition:
Average pressure in arteries during one cardiac cycle
(Most important for organ perfusion)
Formula:
👉 MAP = DBP + 1/3 SBP – DBP
Example: BP = 120/80
MAP = 80 + 1/3(40) = 93 mmHg
Normal MAP: 70–100 mmHg
⭐ 4. Why MAP Is Very Important (Most important BP value in ICU
✔ MAP tells us if organs are receiving enough blood.
Organs need a minimum MAP to stay alive.
✔ Critical minimum MAP = 65 mmHg
If MAP less than 65, organs start to fail:
Kidney failure (↓ urine output)
Brain ischemia (confusion)
Heart ischemia
Lactic acidosis
Shock
✔ Used to guide treatment in:
Sepsis & septic shock
Trauma
ICU patients on vasopressors (e.g., noradrenaline)
Stroke
Anesthesia monitoring
✔ SBP & DBP fluctuate, but MAP gives the real perfusion pressure







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