B3.2.4—Pulse rate measurement
Pulse rate reflects pressure waves from ventricular contraction and can be measured by counting arterial pulses over a defined time.
- Syllabus
- First assessment 2025
- Objective
- B3.2.4
- Level
- SL
Concept essentials
- Pulse is an arterial pressure wave produced by ventricular contraction.
- Pulse rate is usually reported as beats per minute.
- Radial and carotid arteries are common sites for manual pulse measurement.
- Short pulse counts can be scaled only when timing and rhythm are reliable.
ConceptIB Biology SL