ECG Questions and Answers with Certified Solutions

ECG Questions and Answers with Certified Solutions The different views recorded on an ECG that are produced by the electrical activity of the heart are? Leads Which component of an ECG tracing represents ventricular repolarization T Wave What is the most common placement for limb electrodes? End of limb Where should electrode V1 be placed? 4th intercostal space to the left Which of the following is the process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps? ECG/EKG Which of the following is an erroneous mark or defect that may appear on an ECG strip? artifact Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle? 3 precordial electrode Why must a medical assistant know how to interpret an ECG? incase of an urgent problem Which of the following is a record of the waves of electrical impulses responsible for the cardiac cycle? ECG Which of the following results in a flat line on the ECG tracing? unplugged lead/lead off body Which communication would alleviate a patients anxiety about having an ECG? educate and explain procedure Which of the following is the electrical impulse that initiates a chain reaction resulting in contraction? depolarization Which of the following refers to the contraction of the ventricles following depolarization? QRS Electrical impulse sensors used to obtain an electrocardiogram are called` electrode What are intercostal spaces? spaces between ribs