DYSRHYTHMIA BASIC A EXAM (QUESTIONS AND ANSWERS) RELIABLE STUDY GUIDE

Normal sinus rhythm - CORRECT ANSWER-Regular Rate: 60-100 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: 0.12 sec Sinus Bradycardia - CORRECT ANSWER-Regular Rate: 60 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: 0.12 sec Sinus Tachycardia - CORRECT ANSWER-Regular Rate: 100-150 P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: 0.12 sec Premature Atrial Contraction - CORRECT ANSWER-IRREGULAR Rate: depends on underlying rhythm P wave: Present or hidden in T wave PR Interval: 0.12-0.20 sec QRS: 0.12 sec Atrial Fibrillation - CORRECT ANSWER-IRREGULAR Atrial rate: UNMEASURABLE Ventricular rate: variable P wave: unable to see PR Interval: N/A QRS: 0.12 sec A fib RVR - CORRECT ANSWER-IRREGULAR Ventricular rate: 100-175 P wave: unable to see PR Interval: N/A QRS 0.12 sec Atrial Flutter - CORRECT ANSWER-Usually REGULAR can be irregular Atrial rate: 250-350 Ventricular rate: variable BUT atrial rate P Wave: Flutter PR Interval: N/A QRS: 0.12 sec Supraventricular Tachycardia - CORRECT ANSWER-Regular Rate: 150-350 P wave: Hidden in QRS or T wave PR: unable to determine QRS: 0.12 sec Junctional Rhythm - CORRECT ANSWER-Regular Rate: 40-60 P Wave: ABSENT or INVERTED