Mean Arterial Pressure کا حساب کیسے لگائیں
Mean Arterial Pressure کیا ہے؟
Mean arterial pressure represents average blood pressure throughout the cardiac cycle. It's calculated from systolic and diastolic pressures.
فارمولا
Calculate: MAP = DBP + (SBP - DBP)/3 or MAP = (SBP + 2×DBP)/3
- MAP
- DBP + (SBP - DBP)/3 or MAP = (SBP + 2×DBP)/3 — DBP + (SBP - DBP)/3 or MAP = (SBP + 2×DBP)/3
- DBP
- (SBP + 2×DBP)/3 — (SBP + 2×DBP)/3
- SBP
- (SBP + 2×DBP)/3 — (SBP + 2×DBP)/3
مرحلہ وار گائیڈ
- 1Calculate: MAP = DBP + (SBP - DBP)/3 or MAP = (SBP + 2×DBP)/3
- 2Normal MAP ≈ 90 mmHg in adults
- 3MAP <60 mmHg risks end-organ damage
حل شدہ مثالیں
ان پٹ
SBP 120, DBP 80
نتیجہ
MAP = 93 mmHg (normal)
Also can use (120 + 160)/3
عام غلطیاں جن سے بچنا ہے
- ✕Treating MAP as if it directly correlates to systolic (it doesn't)
- ✕Forgetting that diastolic weighs more than systolic in formula
اکثر پوچھے جانے والے سوالات
Why is MAP important?
It better reflects perfusion pressure than systolic alone; organs require minimum MAP (~60 mmHg) to function.
How do vasopressors work?
They increase systolic/diastolic pressure, raising MAP to improve organ perfusion in shock.
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