Echelon Questions: EKG and Cardiac Rhythms |Question and Answer Session with 100% Accuracte|2024

Echelon Questions: EKG and Cardiac Rhythms |Question and Answer Session with 100% Accuracte|2024 When the sympathetic nerve fibers are stimulated, the heart rate is ____________. Correct Answer elevated Electrode location sites should be rotated _______________ or when the pt is sweaty or has had a bath. Correct Answer q24h What method is used to calculate atrial and ventricular rate for irregular rhythms? Correct Answer 6 second rule T or F: The qrs complex in MCL1 can be negative and still be normal. Correct Answer T A wave form is a movement ______________ the isoelectric line in either a positive or negative direction. Correct Answer away from Lead II is helpful in detecting.... Correct 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? Correct Answer volume in the veins Along with Lead II, lead III is most helpful in monitoring changes in what part of the heart? Correct Answer Inferior wall MI What are the best areas to place electrodes? Correct Answer on soft tissue The ekg produces an upright pattern on the paper in response to electrical activity in the heart flowing towards a Correct Answer positive electrode The QT interval represents Correct Answer total ventricular activity What are the AV valves? Correct Answer mitral and tricuspid What part of the EKG reflects the refractory period? Correct Answer The QRS to the peak of the T wave