Determination of heart rate and pulse rate.
The heart rate is recorded as the number of times the heart beats per minute. Pulse rate is directly proportional to heart rate as it measures the expansion and contraction of the arteries in response to the heart rate per minute. The normal heart rate at rest in adults is around 60-100 beats per minute. The heart rate varies from newborn to adult. The heart rate varies in response to a number of changes namely exercise, body temperature, emotions, the position of the body, medications and disease conditions of the patient. The normal heart rate has a sinus rhythm. The fast heart rhythm is known as tachycardia and the slow heart rhythm is known as bradycardia. The normal heart rate is measured at the wrist, inside of the elbow, side of the neck, and top of the foot
The aim of the experiment is to determine heart rate and pulse rate.
- The subject is seated and resting for a while.
- The tips of the index finger, middle and ring fingers are placed on the palm side of the wrist below the base of the thumb.
- These can also be placed on either side of the windpipe on the lower neck.
- These fingers are to be gently pressed till the pulsations are felt beneath the fingers.
- The stethoscope can also be used to check the heartbeat or pulse.
- The time is recorded by a watch or a clock
- Heart rate can be measured by placing the chest piece against the thoracic valve.
- Record the pulsations felt for about 10 seconds and multiply by 6 or the pulsations can be recorded for 1 whole minute to calculate the heart rate of the subject.
The measurement of heart rate and rhythm of the heart provide a correct diagnosis of the heart muscle function and helps in the diagnosis of cardiovascular diseases.
Human Anatomy and Physiology Practical Syllabus
- Study of a compound microscope.
- Microscopic study of epithelial and connective tissue
- Microscopic study of muscular and nervous tissue
- Identification of axial bones
- Identification of appendicular bones
- Introduction to hemocytometry.
- Enumeration of white blood cell (WBC) count
- Enumeration of total red blood corpuscles (RBC) count
- Determination of the bleeding time
- Determination of clotting time
- Estimation of haemoglobin content
- Determination of blood group.
- Determination of erythrocyte sedimentation rate (ESR).
- Determination of heart rate and pulse rate.
- Recording of blood pressure.
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