1. PAT is a sudden onset of atrial tachycardia. a. True b. False 2. The keys to interpretation of second-degree heart block, Mobitz type II, are the presence of constant PR intervals and the fact that...

1. PAT is a sudden onset of atrial tachycardia.

a. True b. False

2. The keys to interpretation of second-degree heart block, Mobitz type II, are the presence of constant PR intervals and the fact that there are more P waves present than QRS complexes.

a. True b. False

3. In order to calculate heart rate accurately by the R-to-R interval method, the patient must have a regular rhythm.

a. True b. False