Title: Blood pressure
Course: Level 3 - First Aid > Section: Assessment and identification of emergency conditions

Blood pressure is the pressure of circulating blood against the wall of arteries. A drop in blood pressure may indicate a loss of blood, a loss of vascular tone and a cardiac pumping problem.

Normal Blood Pressure

Blood pressure level varies with age and gender.

The normal ranges for blood pressure are as follows:

- a) Adults: 90 to 140 mm Hg (systolic)/60 to 90 mm Hg (diastolic).
- b) Children (1 to 8 years): 80 to 110 mm Hg (systolic).
- c) Infants (newborn to age 1 year): 50 to 95 mm Hg (systolic).