A pacemaker that is temporarily employed during open heart surgery, with the electrode being placed in contact with the ventricular epicardium, is called a pacemaker.

A. A pacemaker that is temporarily employed during open heart surgery, with

 

the electrode being placed in contact with the ventricular epicardium, is called a pacemaker.

a. transcutaneous

b. transvenous

c. internal

d. epicardial

B. A permanent pacemaker is implanted in a surgically created pocket beneath

the skin in the patient’s

a. abdomen.

b. chest.

c. neck.

d. upper thigh.

C.  Permanent pacemakers can be used to treat all of the following conditions

a. symptomatic bradycardia.

b. 3rd-degree AV heart block.

c. recurrent tachycardia.

d. premature ventricular complexes.

D. The pacemaker generator

a. consists of a power source, sensing amplifier, computer logic for the

pacemaker, and output circuitry.

b. is powered by two or three AAA rechargeable batteries.

c. is susceptible to damage from body water vapor diffusing into the

computer circuitry and rejection by the immune system.

d. is typically replaced after every 5 years of use

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Characteristics of sinus bradycardia include?

A. Sinus bradycardia   a. often occurs naturally. b. is considered abnormal in athletes. c. is often seen in Wolff–Parkinson–White syndrome. d. is caused by increased sympathetic stimulation. B.  Characteristics….

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….

Why is it important to check for a pulse when there are premature beats in the rhythm?

A. Why is it important to check for a pulse when there are premature beats in the rhythm? B. Premature atrial complexes a. are typically preceded by an inverted P9….