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Blood Pressure and Mean Arterial Pressure
It’s all about perfusion!
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Blood Pressure – which is better?
MAP 62 BP 105/40 90/50 80/53 From a perfusion perspective, all 3 are equal.
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Mean Arterial Pressure
Mean Arterial Pressure (MAP) is a term used in medicine to describe an average blood pressure in an individual Calculated by: [Systolic + (2x Diastolic) ] / 3 120/80 = [100 + (2x80)]/3 = ( )/3 = 260/3 = 87
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Why is MAP important? Perfusion MAP 65-75 Kidney Heart Brain >65
>50-55 Kidney Heart Brain A MAP of greater than 65 will keep all these organs perfused
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Why is MAP important? So during a resuscitation you want to be continuously aware of the patient’s MAP (along with oxygen saturations etc)
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