*NURSING > TEST BANKS > TEST BANK FOR ECGS MADE EASY 6TH EDITION BY BARBARA Chapter 07: Atrioventricular Blocks (All)
TEST BANK FOR ECGS MADE EASY 6TH EDITION BY BARBARA Chapter 07: Atrioventricular Blocks
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Chapter 07: Atrioventricular Blocks Test Bank TRUE/FALSE 1. The ventricular rhythm is regular in second-degree AV block type I. ANS: F With second-degree AV block type I, the ventricular rhythm is irr... egular. The atrial rate is regular (i.e., Ps plot through on time). Grouped beating may be present. OBJ: Describe the ECG characteristics, possible causes, signs and symptoms, and emergency management for second-degree AV block type I. 2. The QRS complex associated with a third-degree AV block is always wide. ANS: F The site of block in a third-degree AV block may be the AV node or, more commonly, the bundle of His or the bundle branches. A secondary pacemaker (either junctional or ventricular) stimulates the ventricles; therefore the QRS may be narrow or wide, depending on the location of the escape pacemaker and the condition of the intraventricular conduction system. OBJ: Describe the ECG characteristics, possible causes, signs and symptoms [Show More]
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