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Med/Surg Chapter 22
Managment of Patients with Arrhythmias and Conduction Problems
| Question | Answer |
|---|---|
| An Irregular or erratic heart rhythm. | Arrhythmic |
| The ability of the cardiac muscle to initiate an electrical impulse. | Automaticity |
| The ability of the cardiac muscle to transmit electrical impulses. | Conductivity |
| Describes electrical stimulation of the heart. | Depolarization |
| Stage of conduction in which the ventricles relax. | Diastole |
| Treats arrhythmias by destroying causative cells. | Ablation |
| How is the total time for ventricular depolarization and repolarization represented on an electrocardiogram (ECG) reading? | QT interval |
| PR interval range on ECG strip reflected in normal sinus rhythm. | 0.12 - 0.20 seconds |
| Sawtooth p wave on ECG strip is seen in this rhythm. | Atrial flutter |
| Sinus tachycardia occurs when the ventricular and atrial rates are greater than? | 100 |
| End of T wave to beginning of next p wave | TP interval |
| Atrial depolariation | P wave |
| Normal range 0.32 to 0.40 seconds | QT interval |
| Ventricular depolarization | QRS complex |
| Early ventricular depolarization | ST segment |
| Ventricular repolarization | T wave |
| Normal range 0.12 to 0.20 seconds | PR interval |
| Repolarization of the Purkinje fibers | U wave |
| Patient complains of chest pain after using cocaine. BP 140/92, HR 128, RR26, O2 98%. Which rhythm on monitor will be seen? Sinus bradycardia Ventricular tachycardia Normal sinus rhythm Sinus tachycardia | Sinus tachycardia |
| When determining ventricular rate and rhythm on telemetry strip, which is part of this analysis? PP interval QT interval RR interval TP interval | RR interval |
| Patient is in PACU status post coronary artery bypass graft and has a ventricular rate of 82 with sawtooth p waves and an atrial rate of 300. Name the rhythm. Atrial fibrillation Atrial flutter Ventricular tachycardia Ventricular fibrillation | Atrial flutter |
| Patient with HTN has new diagnosis of atrial fibrillation. Which medication does the nurse anticipate administering to prevent atrial thrombi? Adenosine Amiodarone Warfarin Atropine | Warfarin |
| A patient is found unresponsive without a pulse and asystole on the monitor. Which is the first action by the nurse? Begin high quality CPR Administer epinephrine Administer atropine 0.5mg Defibrillate with 360J | Begin high quality CPR |
| The nurse is defibrillating a patient in ventricular fibrillation with paddles on a monophasic defibrillator. How much paddle pressure should the nurse apply? 5-10lb 10-15lb 15-20lb 20-25lb | 20-25lb |
| A patient with dilated cardiomyopathy with frequent episodes of ventricular fibrillation. Which is the best choice to terminate these episodes? Implantable cardioverter defibrillator (ICD) Pacemaker Atropine Epinephrine | Implantable cardioverter defibrillator (ICD) |
| Patient with first degree atrioventricular block. Which characteristic of this rhythm does the nurse identify? Variable heart rate, usually < 60 An irregular rhythm Delayed conduction, producing prolonged PR interval P waves hidden in the QRS complex | Delayed conduction, producing prolonged PR interval |
| The nurse is assessing vital signs in a patient with a permanent pacemaker. Which will the nurse document about the pacemaker? Date/time of insertion Location of the generator Model number Pacer rate | Pacer rate |
| Patient postop day 2 status post permanent pacemaker insertion has hiccups, which does the nurse identify is occurring with this patient? Fracture of the lead wire Lead wire dislodgement Faulty generator Sensitivity is too low | Lead wire dislodgement |
| Patient with MI and severe chest pain becomes unresponsive, no pulse, monitor shows rapid disorganized ventricular rhythm. name the rhythm Ventricular tachycardia Atrial fibrillation Third-degree heart block Ventricular fibrillation | Ventricular fibrillation |
| Patient with persistent third-degree heart block & has had several periods of syncope. Which will be priority treatment ? Insertion of pacemaker Administration of atropine Administration of epinephrine Insertion of an ICD | Insertion of pacemaker |
| Patient with several episodes of recurrent tachyarrhythmias over the last 5 months &medication therapy is ineffective. Which procedure will the patient be prepared for? Insertion of ICD Insertion of pacemaker Catheter ablation therapy Maze procedure | Catheter ablation therapy |
Created by:
mcnabb
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