Systolic
- A normal systolic blood pressure reading is 90 - 120mm Hg.
- Measure of the amount of pressure that blood exerts on the arteries & vessels while the heart beats .
- Left ventricle contracts
- Represents the maximum pressure exerted on the arteries.
Diastolic
- A normal diastolic blood pressure reading is 60 - 80mm Hg.
- Measure of the pressure exerted on the walls of artieries in between heart beats (when the heart is relaxed)
- Ventricles of the heart fill with blood
- Represents the minimum pressure in the arteries.
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