NHA EKG Practice Test QUESTIONS WITH ANSWERS| 100% CORRECT

NHA EKG Practice Test QUESTIONS WITH ANSWERS| 100% CORRECT ST segment elevation is associated with Correct Answer: myocardial injury during a stress test the patient begins to feel fatigue and the ekg shows v-tach the first thing you should do is Correct Answer: notify the physician if the QRS is too tall to fit on the ekg paper, change the gain control to Correct Answer: 1/2 if the patient is alert and orientated, but the tech finds all waveforms to be negative, check the Correct Answer: left and right arm limb leads decreased potassium levels cause what to be visible on an ekg? Correct Answer: u waves the classic presentation of ischemia include Correct Answer: ST segment depression and T wave inversion what is the easiest site to obtain a pulse on an infant because of its proximity to the surface of the skin? Correct Answer: the brachial artery who should make repairs to the ekg machine? Correct Answer: a biomedical tech if a physician orders a telemetry monitor to be worn at home, what statement would show the need for further instruction? Correct Answer: "if a lead comes loose, i may reattach it myself" when preforming an ekg on a two-year old patient you should move the limb leads to the Correct Answer: torso when preforming a posterior ekg, where should v8 be placed? Correct Answer: on the left midscapular line what controls the height of the waveform on an ekg? Correct Answer: sensitivity peaked, hypacute, and broad based T waves and convex ST segments are classic findings of? Correct Answer: myocardial ischemia what can be used up to two hours prior to a stress test because of its short half-life? Correct Answer: tobacco products where should v5 be placed? Correct Answer: v5 should be placed on the left anterior axillary line, horizontal to v4 atrial flutter is characterized by? Correct Answer: flutter waves between QRS complexes, absence of of p waves, a irregularly regular rhythm, and a ventricular of 60 to 100/mm