Match the following sinus dysrhythmias with the correct description.

A.  With sinus arrest, the escape mechanism that follows the pause in electrical

 

activity may arise from the

a. SA node.

b. AV junction.

c. ventricles.

d. All of the above.

B. Match the following sinus dysrhythmias with the correct description.

C. Sinoatrial exit block occurs when the

a. impulse originating in the SA node is blocked from reaching the atria.

b. heart rate slows to less than 60 beats per minute.

c. heart rate speeds up and slows down in a cyclical manner.

d. heartbeat ceases completely.

D. Treatment for symptomatic bradycardia includes

a. vagal maneuvers.

b. atropine with a fluid bolus of 250 cc.

c. temporary or permanent pacing.

d. defibrillation.

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