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ECG Monitoring and Interpretation Test No. 1
From Paramedic Emergency Care 3rd Edition


Progress Indicator:
Question 1 of 15

1.  Which type of AV block is indicated by a PR interval of more than 0.21 seconds? p. 1055

Choices:
  1. Third-degree
  2. Fourth-degree
  3. Second-degree
  4. First-degree