You are reviewing a patient’s cardiac rhythm strip prior to treatment. The strips reveal that the heart rate is 82 beats per minute (bpm), the P waves are regular with a QRS complex following, and the P-R intervals are longer than 0.2 seconds. Which of the following types of atrioventricular (AV) block is present?
1. First-degree AV block
2. Second-degree AV block—type 1
3. Second-degree AV block—type 2
4. Third-degree AV block
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