TEST BANK FOR ECGS MADE EASY 6TH EDITION BY BARBARA Chapter 04: Atrial Rhythms

Chapter 04: Atrial Rhythms Test Bank TRUE/FALSE 1. Individuals with preexcitation syndrome are predisposed to tachydysrhythmias. ANS: T OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for atrioventricular reentrant tachycardia (AVRT). 2. In atrial fibrillation, the AV node attempts to protect the ventricles from the hundreds of impulses bombarding it per minute by blocking many of the impulses generated by the irritable sites in the atria. ANS: T OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for atrial fibrillation. 3. Upon conversion of atrial fibrillation to sinus rhythm, the patient should be observed for signs of a possible stroke. ANS: T OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for atrial fibrillation. 4. The presence of an accessory pathway should be considered in atrial fibrillation with a ventricular rate faster than 180 beats/min. ANS: T OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for atrioventricular reentrant tachycardia (AVRT). 5. Most patients with type I atrial flutter develop atrial fibrillation. ANS: F Patients with type II atrial flutter, which is also called atypical or very rapid atrial flutter, often develop atrial fibrillation. The precise mechanism of type II atrial flutter has not been defined. In type II atrial flutter, the atrial rate ranges from 350 to 450 beats/min. OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for atrial flutter. 6. In atrial fibrillation, fibrillatory waves are referred to as f waves. ANS: T OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and initial emergency care for atrial fibrillation.