EKG NHA Exam Possible Questions And Answers 1005 Accurately Solved.

Right Leg - correct answer Where is the ground lead placed? Fourth intercostal space at the right sternal border - correct answer Where is the V1 lead placed? Fourth intercostal space at the left sternal border - correct answer Where is the V2 lead placed? Halfway between leads V2 and V4 - correct answer Where is the V3 lead placed? Fifth intercostal space at the left midclavicular line - correct answer Where is the V4 lead placed? Horizontal line with the V4 at the anterior axillary line - correct answer Where is the V5 lead placed? Horizontal line with V3 at the midaxillary line - correct answer Where is the V6 lead placed? V1 - correct answer What lead is placed on the fourth intercostal space at the right sternal border? V2 - correct answer What lead is placed on the fourth intercostal space at the left sternal border? V3 - correct answer Which lead is placed halfway between leads V2 and V4? V4 - correct answer Which lead is placed on the fifth intercostal space at the left midclavicular line? V5 - correct answer Which lead is placed on the horizontal line with V4 at the anterior axillary line? V6 - correct answer Which lead is placed on the horizontal line with V3 at the midaxillary line? V7 - correct answer Which lead is placed at the posterior axillary line? V8 - correct answer Which lead is placed at the midscapular region? V9 - correct answer Which lead is placed at the paraspinal location? Upper Arm - correct answer If you have a patient who has a below-the-elbow amputation, where should the lead be placed? Thigh - correct answer If you have a patient who has lower-leg amputation, where should the lead be placed? Precordial Leads Left Side - correct answer V1- 4th ICS, R of sternum V2- 4th ICS, L of sternum V4- 5th ICS, Midclavicular V3- between V2/V4 V6- 5th ICS, midaxillary V5- 5th intercostal space between V4/V6 Rick You Better Get Paid Overtime Precordial Leads Right Side - correct answer V1- 4th ICS, L of sternum V2- 4th ICS, R of sternum V4- 5th ICS, Midclavicular (most sensitive & specific to R ventricular infarction) V3- between V2/V4 V5- 5th intercostal space between V4/V6 V6- 5th ICS, midaxillary Rick You Better Get Old People 0.12-0.20 seconds - correct answer What is the normal range for PR interval? 0.04-0.10 seconds - correct answer What is the normal range for a QRS complex? Ischemia - correct answer What does the morphology of convex indicate? Benign conditions - correct answer What does morphology of concave indicate? ST segment is depressed - correct answer How do you identify if a rhythm has ischemia? ST segment is elevated - correct answer How do you identify if a rhythm has myocardial infarction? 25 mm/second - correct answer What is the average speed of the EKG paper? 5mm wide by 10mm tall - correct answer What is the standard measurement of an EKG strip? 10mm to 1 millivolt - correct answer What is the standard calibration of an EKG gain? J point - correct answer The junction point between the QRS complex and the ST segment; signifies the end of ventricular depolarization and the beginning of ventricular repolarization Ischemia - correct answer ST segment depression and/or T wave inversion; deeply inverted T waves are frequently encountered presentation of this: Infarction - correct answer Elevated ST segment 24 hours - correct answer How long should a patient keep a log of the Holter Monitor?