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How do we determine our heart rate using the EKG sensor?

How do we determine our heart rate using the EKG sensor?. Instructional Objectives:. Background Information on EKG Methods of Measuring Heart Rate Experimental Setup. What is an EKG?. Electrocardiogram (EKG) - An instrument used in the detection and diagnosis of heart abnormalities.

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How do we determine our heart rate using the EKG sensor?

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  1. How do we determine our heart rate using the EKG sensor?

  2. Instructional Objectives: • Background Information on EKG • Methods of Measuring Heart Rate • Experimental Setup

  3. What is an EKG? • Electrocardiogram (EKG) - An instrument used in the detection and diagnosis of heart abnormalities. • It measures electrical potentials on the body surface and generates a record of the electrical currents associated with heart muscle activity. • By analyzing the EKG, damage to a specific region of the heart can be detected.

  4. Experimental EKG Data

  5. Calculating Your Heart Rate

  6. Measuring Heart Rate Without Instrumentation • Heart rate can be determined by measuring pulse rate. • The pulse rate is the rate at which a series of pressure waves travel within an artery. • Each time blood surges from the aorta, the elastic walls of blood vessels expand and stretch, causing a pulse.

  7. Measuring Heart Rate With Instrumentation • Use the EKG sensor to graph your heart’s electrical activity. • Place three electrode patches on your arms as shown in the diagram. • Connect the alligator clips from the sensors to the tabs of the electrode patches. • Collect data with the LoggerPro. • Calculate heart rate by determining the time interval between the R waves on the EKG graph.

  8. Experimental Setup Student EKG sensor LoggerPro Computer

  9. Discussion Questions: • Average Heart Rate: • 70-90 beats/min • Maximum Heart Rate: • 220 beats/min – Individual’s Age • Comparison of experimental findings versus theoretical data • Causes for discrepancies • Factors not taken into account during experiment: • Age • Weight • Health Condition • Gender

  10. LAB TIME!!!

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