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    ECG Rhythm Interpretation

    Module I

    ECG Basics

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    Course Objectives

    To recognize the normal rhythm of theheart - Normal Sinus Rhythm.

    To recognize the 13 most commonrhythm disturbances.

    To recognize an acute myocardialinfarction on a 12-lead ECG.

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    Learning Modules

    ECG Basics

    How to Analyze a Rhythm Normal Sinus Rhythm Heart Arrhythmias Diagnosing a Myocardial Infarction Advanced 12-Lead Interpretation

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    Normal Impulse ConductionSinoatrial node

    AV node

    Bundle of His

    Bundle Branches

    Purkinje fibers

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    Impulse Conduction & the ECGSinoatrial node

    AV node

    Bundle of His

    Bundle Branches

    Purkinje fibers

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    Pacemakers of the Heart

    SA Node - Dominant pacemaker with anintrinsic rate of 60 - 100 beats/minute.

    AV Node - Back-up pacemaker with anintrinsic rate of 40 - 60 beats/minute.

    Ventricular cells - Back-up pacemaker with an intrinsic rate of 20 - 45 bpm.

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    The ECG Paper

    Horizontally One small box - 0.04 s One large box - 0.20 s

    Vertically One large box - 0.5 mV

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    End of Module I

    ECG Basics

    Proceed to Module I Practice Quizon WebCT

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