Questions and Answers
Sinus Rhythm - Correct Answers: 60-100bpm
Present P-wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus Bradycardia - Correct Answers: 40-60bpm
Present P-wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus Tachycardia - Correct Answers: 100-160bpm
Present P-wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus arrhythmia - Correct Answers: Irregular
Normal or slow
Present P-Wave
PRI 0.12-0.20 seconds
QRS 0.12> seconds
Sinus Arrest/Exit block - Correct Answers: Regular rhythm w/ pause
P-wave not seen until next complex
Atrial Fibrillation (A-Fib) - Correct Answers: Grossly irregular
, 400< ventricular varies
Wavy P-wave
PRI not measureable
QRS 0.12> seconds
Atrial Flutter - Correct Answers: Regular or Irregular
250-400 (depending on conduction)
"Saw-tooth" P-waves
PRI not measureable
QRS 0.12> seconds
Paced Atrial - Correct Answers: "Spike" before P-wave
1° AVB - Correct Answers: Rate determined by rhythm
1 P-wave to each QRS
PRI prolonged >0.20 seconds
QRS 0.10>
2° AVB Type I (Wenkebach) - Correct Answers: "Long, Long, Longer, Dropped... then you have a
Wenkebach"
Persistent P-waves until not included
PRI progressively lengthen
QRS 0.10>
2° AVB Type II (Mobitz) - Correct Answers: Irregular ventricular
P-wave before each QRS until no QRS
PRI normal until no QRS
QRS 0.10>