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Exam of 3 pages for the course Crat at Crat (CRAT 1 Exam)
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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? -
answerMalfunctioning
A single-chamber pacemaker has one lead inserted into either the right atrium or which
of the following? - answerRight Ventricle
If a patient is experiencing ventricular fibrillation, where in the heart would the electrical
impulses come from? - answerFrom many different foci
Which of the following is not one of the problems that are caused by sinus arrest? -
answerStroke
Which of the following would they look for on an EKG strip when assessing accelerated
junctional rhythm? - answerP 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? -
answerMyocardial 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? -
answerPre-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? -
answerPR interval
Which of the following is the typical duration for the QT interval? - answer0.36-0.44 sec
If the T wave is bumpy instead of smooth, it may indicate which of the following? -
answerHidden P wave
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