The rhythm strip reveals the following findings:initially a P wave precedes each QRS complex,but eventually a P wave may stand alone,progressive lengthening of the P-R interval occurs,as the P-R interval increases,a QRS complex is dropped,the progressive lengthening of P-R interval and drop of QRS complex is repetitive,the QRS complex is normal with a duration between 0.04 and 0.10 second,the R-R interval is irregular,and heart rate varies.These findings BEST describe which of the following?

Question

Quizplus · Accepted Answer

Second-degree AV block or Wenkebach's heart block is characterized by the progressive nature of the P-R interval lengthening until finally one impulse is not conducted through to the ventricles.

The Rhythm Strip Reveals the Following Findings:initially a P Wave