/Mean Arterial Pressure (MAP)

Mean Arterial Pressure (MAP)

Calculates MAP for perfusion assessment

Systolic BP
mmHg
Diastolic BP
mmHg

Total Score

0

Inadequate perfusion pressure. High risk of organ ischemia.

064+High
65100+Low
101999+Moderate

Disclaimer: The clinical scoring and algorithms on this platform are intended strictly for professional informational purposes. They do not constitute a definitive medical diagnosis, treatment, or clinical decision. The final judgment and responsibility lie with the treating physician.

Yasal Uyarı: Bu platformdaki klinik skorlamalar ve algoritmalar yalnızca sağlık profesyonellerini bilgilendirme amaçlıdır. Herhangi bir kesin tıbbi teşhis, tedavi veya klinik karar yerine geçemez. Nihai karar ve sorumluluk hastayı yatak başında değerlendiren hekime aittir.

Clinical Overview

Mean Arterial Pressure (MAP) is the average pressure in a patient's arteries during one cardiac cycle. It is considered a vastly superior indicator of perfusion to vital organs (brain, kidneys, gut) than systolic blood pressure alone. In critical care and shock management, maintaining a MAP of ≥65 mmHg is the standard target to ensure adequate end-organ perfusion.

Clinical Pearl

The standard mathematical formula assumes a normal resting heart rate where diastole constitutes two-thirds of the cardiac cycle. In severe tachycardia (>120 bpm), systole and diastole duration become nearly equal, making this formula less accurate; invasive arterial line monitoring is required to provide the true integrated MAP.

Pitfalls & Warnings

  • Fails to reflect actual organ blood flow in conditions with extremely high venous or tissue pressures (e.g., abdominal compartment syndrome).
  • Peripheral non-invasive cuffs (NIBP) can overestimate MAP in severely hypotensive, vasoconstricted states compared to a central arterial line.

Academic References

Surviving Sepsis Campaign Guidelines Committee. Surviving sepsis campaign: international guidelines for management of severe sepsis and septic shock. Crit Care Med. 2013;41(2):580-637.

Disclaimer: The clinical scoring and algorithms on this platform are intended strictly for professional informational purposes. They do not constitute a definitive medical diagnosis, treatment, or clinical decision. The final judgment and responsibility lie with the treating physician.