NURSING > EXAM > Telemetry Class & strips Exam 44 Questions with Verified Answers,100% CORRECT (All)

Telemetry Class & strips Exam 44 Questions with Verified Answers,100% CORRECT

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Telemetry Class & strips Exam 44 Questions with Verified Answers 60-100 - CORRECT ANSWER Intrinsic rate of SA node 40-60 - CORRECT ANSWER intrinsic rate of AV node 20-40 - CORRECT ANSWER intrinsic rate of Purkinje fibers 0.04-0.12 seconds - CORRECT ANSWER normal QRS interval length 0.12-0.20 seconds - CORRECT ANSWER normal PR interval length inverted T wave and/or ST depression - CORRECT ANSWER signs of ischemia ST elevation - CORRECT ANSWER signs of heart tissue injury development of Q wave - CORRECT ANSWER signs that an infarction has occurred >1/4 height of the QRS, >0.04 seconds long - CORRECT ANSWER characteristics of a pathologic Q wave a p wave - CORRECT ANSWER if the impulse occurs in the atria, it will have... either p wave is inverted, or no p wave at all - CORRECT ANSWER if the impulse occurs in the junctional area, what changes? SA node - CORRECT ANSWER what sets the intrinsic pace of the electrical impulses? p wave is present, goes up but them dips below isoelectric line - CORRECT ANSWER changes to EKG if impulse originates at another point in atria but not SA node? left atrium - CORRECT ANSWER right atrium - CORRECT ANSWER left ventricle - CORRECT ANSWER right ventricle - CORRECT ANSWER intraventricular septum - CORRECT ANSWER mitral valve - CORRECT ANSWER tricuspid valve - CORRECT ANSWER endocardium - CORRECT ANSWER myocardium - CORRECT ANSWER epicardium - CORRECT ANSWER sa node - CORRECT ANSWER av node - CORRECT ANSWER bundle of his - CORRECT ANSWER purkinje fibers - CORRECT ANSWER bundle branches - CORRECT ANSWER Normal Sinus Rhythm - CORRECT ANSWER Sinus Bradycardia - CORRECT ANSWER Sinus Tachycardia - CORRECT ANSWER Premature Atrial Contraction - CORRECT ANSWER Atrial Flutter - CORRECT ANSWER Atrial Fibrillation - CORRECT ANSWER Premature Ventricular Contractions - CORRECT ANSWER Ventricular Tachycardia - CORRECT ANSWER Ventricular Fibrillation - CORRECT ANSWER PR Interval - CORRECT ANSWER Represents time it takes electrical impulse to travel from SA node to ventricular depolarization QRS Interval - CORRECT ANSWER Represents time required for ventricular depolarization ST Segment - CORRECT ANSWER Period just after vent. depolarization and just before vent. repolarization How many seconds does 5 blocks represent? - CORRECT ANSWER .20 seconds How many seconds does 1 block represent? - CORRECT ANSWER .04 seconds What is the normal PR interval? - CORRECT ANSWER .12-.20 seconds What is the normal QRS interval? - CORRECT ANSWER .10 seconds or less

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