CVT 321 - Test 3 Review

A delay or interruption of an impulse through the AV junction is also known as a

• AV block

• Bundle branch block

• Pacemaker spike

• Fibrillation

With this rhythm, everythign is normal except there is a Prolonged PR interval

• First-degree AV block

• Second-degree AV block

• Third-degree AV block

• Bundle branch block

What is one characteristic of a bundle branch block?

• Wide or notched QRS complex

• Prolonged PR interval

• AKA Complete Heart Block

• Extra beat is followed by a compensatory pause

Blood thinning medications can cause atrioventricular blocks.

• TRUE

• FALSE

Which of the following types of artifacts can be caused by a patient shaking?

• Muscle

• Respiration

• 60 cycle interference

• Failure to capture

The ECG baseline appears to move up and down during the tracing, this is also known as

• Respiration with variation

• Muscle artifact

• 60-cycle interference

• Failure to capture

Shaving a patients chest hair can help improve adhesion of ECG pads.

• TRUE

• FALSE

Temporary pacemakers can be used in emergency situations via intravenous catheter.

• TRUE

• FALSE

How does a asynchronous pacemaker work?

• Fires only when patients heart rate is low

• Works independently of the hearts electrical activity

This type of pacemaker has one lead in the right ventricle and one lead in the left.

• Biventricular

• Dual-chamber

• Single-chamber