BACKGROUND
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.
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The heart rate varies from new born to adults. The heart rate varies in response to a number of changes namely exercise, body temperature, emotions, and 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 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 foot.1,2
The aim of the experiment is to determine heart rate and pulse rate.
REQUIREMENTS
Subjects: Human
Instrument: Stethoscope
PROCEDURE
The subject is seated and at resting for a while. The tips of 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 to be gently pressed till the pulsations are felt beneath the fingers. Stethoscope can also be used to check heart beat or pulse.
The time is recorded by 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.3
CONCLUSION
The measurement of heart rate and rhythm of the heart provide a correct diagnosis of the heart muscle function and helps in diagnosis of cardiovascular diseases.
REFERENCES
- https://www.medicalnewstoday.com/articles/235710.php. Accessed on 26 March 2018.
- www.heart.org/HEARTORG/conditions/HighBloodPressure/GettheFactsAboutHighBloodPressure/All-About-Heart-Rate-Pulse-UCM-438850Article.jsp#WrsU3yThWf1. Accessed on 26 March 2018.
- https://myclevelandclinic.org/health/diagnostics/17402-pulse–heart-rate. Accessed on 26 March 2018.
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