Echelon quiz questions and answers with complete solutions
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Course
Echelon
Institution
Echelon
Echelon quiz questions and answers with complete solutions
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 calcula...
Echelon quiz questions and answers with complete solutions 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 rule T or F: The qrs comp lex in MCL1 can be negative and still be normal. ✔✔ T A wave form is a movement ______________ the isoelectric line in either a positive or negative direction. ✔✔ away from Lead II is helpful in detecting.... ✔✔ sinus node and atrial arrhythmias What af fects preload: volume in the veins, pressure in the arteries or ventricles, or volume of blood in the ventricles? ✔✔ volume in the veins Along with Lead II, lead III is most helpful in monitoring changes in what part of the heart? ✔✔ Inferior wall MI What are the best areas to place electrodes? ✔✔ on soft tissue The ekg produces an upright pattern on the paper in response to electrical activity in the heart flowing towards a ✔✔ positive electrode The QT interval represents ✔✔ total ventricular activity What are the AV valves? ✔✔ mitral and tricuspid What part of the EKG reflects the refractory period? ✔✔ The QRS to the peak of the T wave 5 large EKG strip boxes totals how much time? ✔✔ 1 second The PRI is considered abnormal or prolonged if it is ✔✔ >0.20 secs What is the most common cause for an alarm sounding? ✔✔ a loose lead wire
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