Thursday, March 8, 2012

EKG Lab

EKG Lab

Materials: Computer, Vernier computer interface, Logger Pro, Vernier EKG Sensor, electrode tabs

For this experiment, we first connected the Sensor to the MacBook and opened up Logger Pro and opened the correct file. We attached the three electrode tabs to Madison's arms. And connected the EKG clips to the tabs. The green and black on the right arm, and the red on the left arm. Then we clicked the start button and started recording the EKG. We repeated this process on Chapin and I. The following graphs are the results we got for each person. 
Chapin

Madison




Sierra


I really enjoyed doing this lab because it gave me a chance to work with a simple EKG, which is used in hospitals all over to check for heart health. I also found it really interesting that no matter the amount of times we tried to get my EKG it was always smaller than Madison's or Chapin's. You can still for the most part see the P Wave, the Q, R, S, and T wave on mine but it's a lot harder. Here is an example EKG that labels the different parts of the EKG:



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