EKG Competency Exam A+ Pass

EKG Competency Exam A+ Pass accelerated junctional rate - Answer- 60-100 bpm AV junctional rate (normal) - Answer- 40-60 bpm junctional bradycardia rate - Answer- less than 40 bpm junctional tachycardia rate - Answer- above 100 bpm normal sinus rhythm - Answer- 60-100 bpm PSVT-PAT - Answer- beginning of rhythm is seen; 151-250+ bpm sinus bradycardia - Answer- less than 60 bpm sinus tachycardia - Answer- 101-180 bpm supraventricular tachycardia - Answer- 150-250 bpm wandering atrial pacemaker (WAP) - Answer- at least 3 different P waves, rate 60-100 bpm junctional wandering pacemaker - Answer- 40-60 bpm what does the P wave represent? - Answer- depolarization of the atria what does the QRS complex represent? - Answer- depolarization of the ventricles what does the T wave represent? - Answer- repolarization of ventricles PR interval time - Answer- 0.12-0.20 seconds QRS complex time - Answer- 0.04-0.12 seconds pericardial leads - Answer- chest leads V1 - Answer- 4th intercostal space to the right of the sternum V2 - Answer- 4th intercostal space to the left of the sternum V3 - Answer- Between V2 and V4 V4 - Answer- 5th intercostal space, left midclavicular line V5 - Answer- Between V4 and V6 V6 - Answer- 5th intercostal space, left midaxillary line augmented leads - Answer- aVR, aVL, aVF aVR - Answer- Augmented Right Arm Lead; records electrical activity from midway between the left arm and left leg to the right arm aVL - Answer- Augmented Left Arm Lead; records electrical activity from the midpoint between the right arm and left leg to the left arm aVF - Answer- Augmented Foot Lead; records electrical activity form the midpoint between the right arm and left arm to the left leg limb leads - Answer- I, II, and III