// multi-utility computation suite · offline · instant · precise
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health.blood-pressure-map Calculator
Calculates Mean Arterial Pressure (MAP) from systolic and diastolic readings, and classifies blood pressure per JNC-8/AHA guidelines. MAP below 65 mmHg indicates poor tissue perfusion — it's a more clinically meaningful number than systolic alone in critical care.
Inputs
Systolic
The top blood pressure number — pressure during a heartbeat. Normal: below 120 mmHg. Stage 1 hypertension: 130–139.
Diastolic
The bottom blood pressure number — pressure between heartbeats. Normal: below 80 mmHg.
Heart Rate
Beats per minute. Normal resting: 60–100. During vigorous exercise: 150–185+ depending on fitness and age.
Results
mean arterial pressure (MAP)
Arithmetic average — sum divided by count. Simple and familiar, but pulled by outliers. If your data contains extreme values, the median may be more representative.
pulse pressure
Reference formula or conversion factor shown for context.
BP classification
Category assigned based on where the computed value falls on a defined scale. Check which standard or guideline defines these boundaries.
rate-pressure product
The result of multiplying all input values together.
MAP target (critical care)
Target mean arterial pressure for the clinical situation. In septic shock, guidelines recommend maintaining MAP above 65 mmHg with vasopressors.
MAP = DBP + (PP/3)
MAP (mean arterial pressure) -- the average blood pressure over a full cardiac cycle. Normal: 70-100 mmHg. Below 65 mmHg in critically ill patients requires urgent intervention.