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IGCSEScienceCambridge (CIE)Co-ordinated Sciences (Double Award)BiologyRevision Notes9. Transport in AnimalsCirculatory Systems, Heart & Blood VesselsMonitoring Activity of the Heart

Monitoring Activity of the Heart (Cambridge (CIE) IGCSE Co-ordinated Sciences (Double Award)): Revision Note

Lára Marie McIvor

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Monitoring Activity of the Heart

  • Heart activity can be monitored by using an ECG, measuring pulse rate or listening to the sounds of valves closing using a stethoscope

  • Heart rate (and pulse rate) is measured in beats per minute (bpm)

  • To investigate the effects of exercise on heart rate, record the pulse rate at rest for a minute

  • Immediately after they do some exercise, record the pulse rate every minute until it returns to the resting rate

  • This experiment will show that during exercise the heart rate increases and may take several minutes to return to normal

A patient having an ECG to monitor heart activity

An electrocardiogram is one method which can be used to monitor heart rate in bpm

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    Lára Marie McIvor

    Author: Lára Marie McIvor

    Expertise: Biology Lead

    Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.