Biology
General
Easy

Question

Given below is the ECG of a normal human. Which one of its components is correctly interpreted below?

  1. Complex QRS – one complete pulse    
  2. Peak T- initiation of total cardiac contraction    
  3. Peak P and peak R together – systolic and diastolic blood pressures    
  4. Peak P- initiation of left atrial contraction only.    

The correct answer is: Peak P and peak R together – systolic and diastolic blood pressures

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