Question 276 · LEK · Atrioventricular blocks
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.
Hint
In first-degree block every atrial impulse still reaches the ventricles, only more slowly.
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