NHA EKG Certification Study Guide exam 2022/2023 with 100% correct answers

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SA Node What is the heart's primary pacemaker? Occlusion What is a more medically correct term for the clotting of an artery? P Wave When the Atria depolarize (or contract), what is... shown on the EKG tracing? Heart to the Right Arm aVR picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Sinus Arrhythmia An irregular heartbeat that is common among children is called _____ _____. 1 mm 1 small box on an EKG strip denotes 0.04 seconds of time. How long is this represented in millimeters? Right Arm to the Left Arm Lead I picks up from the ___ ___ to the ___ ___. (Add "to the" in your answer.) Cardiac Output What is the term used to described the amount of blood pumped by the heart per minute? Standard Leads Leads I through III are collectively known as? Right Arm to the Left Leg Lead II picks up from the ___ ___ to the ___ ___. (Add "to the" in your answer.) Precordial Leads Leads V1 through V6 are collectively known as (Hint: Chest) Aorta What is the main artery in the arterial system? (Hint: It carries oxygenated blood to the heart and other parts of the body.) Heart to the Left Arm aVL picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Augmented Leads aVR, aVL, and aVF are collectively known as? Left Arm to the Left Leg Lead III picks up from the ___ ___ to the ___ ___. (Add "to the" in your answer.) Grounding Leg electrodes are only used for? Heart to the Left Leg aVF picks up from the center of the ___ to the ___ ___. (Add "to the" in your answer.) Superior Vena Cava What is the main vein in the venous system? (Hint: It carries deoxygenated blood from the lungs to the heart's right atrium.) AV Node When the heart is in a Systolic State, what pacemaker releases an electrical impulse? [Show More]

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