Echelon quiz questions and answers 2023/2024 with complete solutions
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Course
Echelon
Institution
Echelon
When the sympathetic nerve fibers are stimulated, the heart rate is ____________.
elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty or has had a bath.
q24h
What method is used to calculate atrial and ventricular rate for irregular rhythms?
6 second ru...
echelon quiz questions and answers 20212022 with complete solutions
what method is used to calculate atrial and ventricular rate for irregular rhythms
t or f the qrs complex in mcl1 can be negative
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Echelon quiz questions
When the sympathetic nerve fibers are stimulated, the heart rate is ____________. - answer
elevated
Electrode location sites should be rotated _______________ or when the pt is sweaty or has had
a bath. - answer q24h
What method is used to calculate atrial and ventricular rate for irregular rhythms? - answer 6
second rule
T or F: The qrs complex in MCL1 can be negative and still be normal. - answer T
A wave form is a movement ______________ the isoelectric line in either a positive or negative
direction. - answer away from
Lead II is helpful in detecting.... - answer sinus node and atrial arrhythmias
What affects preload: volume in the veins, pressure in the arteries or ventricles, or volume of
blood in the ventricles? - answer volume in the veins
Along with Lead II, lead III is most helpful in monitoring changes in what part of the heart? -
answer Inferior wall MI
What are the best areas to place electrodes? - answer on soft tissue
The ekg produces an upright pattern on the paper in response to electrical activity in the heart
flowing towards a - answer positive electrode
The QT interval represents - answer total ventricular activity
What are the AV valves? - answer mitral and tricuspid
What part of the EKG reflects the refractory period? - answer The QRS to the peak of the T
wave
5 large EKG strip boxes totals how much time? - answer 1 second
The PRI is considered abnormal or prolonged if it is - answer >0.20 secs
What is the most common cause for an alarm sounding? - answer a loose lead wire
Which lead is the most useful for routine monitoring and monitoring the sinus node? - answer
Lead II
Which lead is helpful in monitoring atrial rhythms and hemiblocks? - answer Lead I
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