EKG (NCMA) Exam With Complete Solution

EKG (NCMA) V1 - Fourth intercostal space, right sternal border V2 - Fourth intercostal space, left sternal border V3 - Midway between V2 and V4 V4 - Fifth intercostal space, left midclavicular line. V5 - Left of the anterior axillary fold, in line with V4 V6 - left of the midaxillary, in line with V4 and V5 Which of the following are appropriate actions for the ECG technician to take when placing electrodes on a patient's skin for a 24-hour Holter monitor? (Select the three (3) correct answers.) - A Holter monitor is used to monitor a patient's heart during normal activity (for a period of 24-48 hours or up to 30 days). It is a small monitor that can be carried in a pouch or strapped to the waist or shoulder. The electrodes should be placed so they will stay in place for the duration of the monitoring. Avoid scars and incisions when selecting where to place electrodes. Electrodes and lead wires should be secured to the patient. Abrading the skin with a dry 4x4 is one approach to preparing the skin. Lead wires can be placed facing any direction. What is the approximate amount of time for the QRS complex to record on an ECG? - 0.06-0.10 seconds The QRS complex should be recorded for 0.06-0.10 seconds when running an ECG. (greater than 0.12 is considered abnormal and you would need to consider a bundle branch block), The PR interval normal range is - 0.12-0.20 seconds, . The ECG technician is performing an ECG on a patient who is obese, and wandering baseline is present. Which of the actions should the technician take? (Select the two (2) correct answers.) - In this scenario, it is important to make sure good skin preparation and new electrodes and clean clips are used. A patient with Parkinson's comes in for an ECG with noticeably severe tremors. Which of the following should the medical assistant do to ensure a proper reading? - Have the patient slide their hands under their buttocks.