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Mean Arterial Pressure Calculator

Calculate MAP to assess perfusion pressure and cardiovascular status

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Educational Use Only: This tool is for educational purposes only. It does not replace clinical judgment or medical advice.

Blood Pressure Measurements

mmHg
mmHg

How to measure:

  • • Use properly sized blood pressure cuff
  • • Patient should be seated and relaxed
  • • Take measurement after 5 minutes of rest
  • • Formula: MAP = (SBP + 2 × DBP) ÷ 3

MAP Target Ranges:

• Normal adults: 70-100 mmHg
• Critically ill: ≥65 mmHg (general target)
• Septic shock: ≥65 mmHg initial target
• Traumatic brain injury: 80-110 mmHg
• Pregnancy: 70-100 mmHg

Clinical Significance:

Mean Arterial Pressure (MAP) represents the average pressure in arteries during one cardiac cycle and is a key indicator of perfusion pressure to vital organs.

MAP is more representative of perfusion pressure than systolic pressure alone because diastole accounts for 2/3 of the cardiac cycle. A MAP ≥60-65 mmHg is generally required for adequate organ perfusion.

In critical care, MAP is often used as a target for vasopressor therapy and hemodynamic management, particularly in shock states and organ dysfunction.

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