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CRAT.
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Exam of 3 pages for the course CRAT Prep at CRAT Prep (CRAT.)
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CRATWhich of the following pacemaker complications involves irregular pacemaker intervals with
slower than set rate impulses and no visual pacemaker spike? - correct
answer-Malfunctioning
A single-chamber pacemaker has one lead inserted into either the right atrium or which of
the following? - correct answer-Right Ventricle
If a patient is experiencing ventricular fibrillation, where in the heart would the electrical
impulses come from? - correct answer-From many different foci
Which of the following is not one of the problems that are caused by sinus arrest? - correct
answer-Stroke
Which of the following would they look for on an EKG strip when assessing accelerated
junctional rhythm? - correct answer-P wave absent
P wave inverted on leads 2 3 and aVF
P wave interval is less than 0.12 seconds
Potential causes of sinus bradycardia could include which of the following? - correct
answer-Myocardial infarctions
Sports (athletes)
Vomiting
Bearing down to have a bowel movement
Conditions such as myocardial infarction or increased intracranial pressure
Which of the following conditions would a biventricular pacer typically be used for? - correct
answer-Pre-cardiac transplant patient
The heart activity that begins with atrial depolarization and ends with the start of ventricular
depolarization is known as which of the following on the electrocardiogram? - correct
answer-PR interval
Which of the following is the typical duration for the QT interval? - correct answer-0.36-0.44
sec
If the T wave is bumpy instead of smooth, it may indicate which of the following? - correct
answer-Hidden P wave
All of the following are possible causes of bradycardia except? - correct answer-Insomnia
Paroxysmal atrial tachycardia commonly follows which of the following? - correct
answer-Premature atrial contraction
Which of the following could cause sinus arrest? - correct answer-SA node failure
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