Ekg Test Questions Exam Questions (22 Terms) With Verified Definitions Updated 2024

If artifact is present in leads I, II, III, and aVR, the most likely source of the artifact is on which limb? {Ans: Right arm}The inferior vena cava returns deoxygenated blood to the heart from what part of the body? {Ans: lower extremities and abdomen}What is somatic tremor artifact commonly caused by? {Ans: Patient movement}Normal paper speed for printing out the EKG is: {Ans: 25mm/sec}If lead aVR's QRS is positive, the heart's current would be traveling toward which limb? {Ans: Right arm}Your pt is having chills. What kind of artifact can this produce? {Ans: Somatic tremors}