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Select Term (33)

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128.

A first-degree atrioventricular block could be recognized on ECG on the basis of:

  • A. prolongation of the PQ interval (PR interval).
  • B. absence of the P wave.
  • C. absence of the Q wave.
  • D. absence of the QRS complex after each P wave.
  • E. widened QRS complex.
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