EKG National Exam Study Guide Set With Complete Solution

Angle of Louis? - Answer 2nd Intercostal Space Ground Electrode of Telemetry Monitor? - Answer Green Electrode The Holter Monitor has how many electodes? - Answer 5 Demand Pacemaker is noted when? - Answer A thin perfectly straight vertical line occurs randomly on EKG tracing For an infant EKG, you must do what? - Answer Increase the speed of the EKG machine and it will widen out the waveforms Most accurate temperature check site? - Answer Rectal What is the reference lead on the Holter Monitor? - Answer Black lead Ischemia is a condition present with ST-Segment what? - Answer Elevation Normal Pulse Oximetry Level is? - Answer 97-100% A SP02 level of 92% must be what? - Answer Closely monitored A patient undergoing stress test who remains asymptomatic for 7-10 minutes means that - Answer you can continue the test. Application of the Holter Monitor is based on? - Answer The number of lead wires and skin integrity of the patient What leads show Inferior Wall MI? - Answer Lead II, Lead III, AVF What leads are known as the 3-lead EKG Monitor? - Answer Lead I, Lead II, Lead III A prolonged constant PR interval of >.20 sec signifies what? - Answer 1st degree av block EKG Speed is what? - Answer 25 mm/sec A ORS interval of < 0.03 means what? - Answer The ventricle is firing at a quick pace How many QRS in a strip if pt's HR = 64 bpm when counting 1500 small boxes? - Answer 6 A normal PR interval is what? - Answer .12-.20 seconds A normal QRS complex? - Answer 0.06-0.12 Each small square equals to what? - Answer 0.04 seconds A normal standardization mark should measure? - Answer 5mm A 12 lead EKG has __ electrodes - Answer 10 Normal sensitive setting 1mv which measurement? - Answer 10mm Normal speed of EKG? - Answer 25 mm/sec CPR is what? - Answer 30-2 The rate of the AV junction is? - Answer 40-60 bpm The bpm between r-r intervals on EKG 5 large squares? - Answer 60 bpm An example of hypotension? - Answer 90/60 An ST segment is what? - Answer A pause between ventricular depolarization and repolarization Where does the exchange of CO2 and O2 happen? - Answer Alveoli What does the P wave represent? - Answer Atrial depolarization Correct lead center of the heart to the positive pole of the left leg? - Answer AVF Center of heart to the positive pole of the right arm? - Answer AVR Which vessel has both oxygenated and deoxygenated blood? - Answer Capillaries Term used for pumping blood by the heart? - Answer Cardiac Output Physicians do stress tests for? - Answer CHF A waveform in a segment is called? - Answer A complex Which artery supplies blood to the heart muscle? - Answer Coronary Artery Define Repolarization - Answer When the heat recovers electrically Define Depolarization - Answer Contraction of cardiac cells