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Author Question: What is the heart rate shown on the following electrocardiogram? a. 150 c. 250 b. 200 d. ... (Read 44 times)

Chloeellawright

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on: Jul 16, 2018
What is the heart rate shown on the following electrocardiogram?
 
  a. 150 c. 250
  b. 200 d. 300

Question 2

What is the heart rate shown on the following ECG?
 
  a. 60 c. 90
  b. 78 d. 100


SamMuagrove

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Isolate 3 seconds out of the strip. There are 15 cardiac cycles in a 3-second period. Multiply 15 by 20. The heart rate is 300 beats/min.

Answer to Question 2

ANS: D
Isolate 3 seconds out of the strip. There are 5 cardiac cycles in a 3-second period. Multiply 5 by 20. The heart rate is 100 beats/min.


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