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gracehiller11 gracehiller11
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6 years ago
A(n) ________ sinus rhythm means that each heartbeat has three distinct waves, a P wave, a T wave, and, between the two, a QRS complex where the Q is a downward deflection, the R is an upward deflection, and the S is a downward deflection following an R.
 
  a. nasal
  b. abnormal
  c. normal
  d. respiratory
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alal
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Thanks
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