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ECG Rhythm Interpretation Essentials

Learn to recognize normal heart rhythms, common disturbances, and identify acute myocardial infarction. Explore ECG basics and advanced interpretation. Master impulse conduction and key ECG waves. Access more presentations online.

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ECG Rhythm Interpretation Essentials

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  1. ECG Rhythm Interpretation Module IECG Basics For more presentations www.medicalppt.blogspot.com

  2. Course Objectives • To recognize the normal rhythm of the heart - “Normal Sinus Rhythm.” • To recognize the 13 most common rhythm disturbances. • To recognize an acute myocardial infarction on a 12-lead ECG. For more presentations www.medicalppt.blogspot.com

  3. Learning Modules • ECG Basics • How to Analyze a Rhythm • Normal Sinus Rhythm • Heart Arrhythmias • Diagnosing a Myocardial Infarction • Advanced 12-Lead Interpretation For more presentations www.medicalppt.blogspot.com

  4. Normal Impulse Conduction Sinoatrial node AV node Bundle of His Bundle Branches Purkinje fibers For more presentations www.medicalppt.blogspot.com

  5. Impulse Conduction & the ECG Sinoatrial node AV node Bundle of His Bundle Branches Purkinje fibers For more presentations www.medicalppt.blogspot.com

  6. The “PQRST” • P wave - Atrial depolarization • QRS - Ventricular depolarization • T wave - Ventricular repolarization For more presentations www.medicalppt.blogspot.com

  7. The PR Interval Atrial depolarization + delay in AV junction (AV node/Bundle of His) (delay allows time for the atria to contract before the ventricles contract) For more presentations www.medicalppt.blogspot.com

  8. Pacemakers of the Heart • SA Node - Dominant pacemaker with an intrinsic rate of 60 - 100 beats/minute. • AV Node - Back-up pacemaker with an intrinsic rate of 40 - 60 beats/minute. • Ventricular cells - Back-up pacemaker with an intrinsic rate of 20 - 45 bpm. For more presentations www.medicalppt.blogspot.com

  9. The ECG Paper • Horizontally • One small box - 0.04 s • One large box - 0.20 s • Vertically • One large box - 0.5 mV For more presentations www.medicalppt.blogspot.com

  10. The ECG Paper (cont) 3 sec 3 sec • Every 3 seconds (15 large boxes) is marked by a vertical line. • This helps when calculating the heart rate. NOTE: the following strips are not marked but all are 6 seconds long. For more presentations www.medicalppt.blogspot.com

  11. End of Module IECG Basics Proceed to Module I Practice Quiz on WebCT For more presentations www.medicalppt.blogspot.com

  12. FOR MORE FREE MEDICAL POWERPOINT PRESENTATIONS VISIT WEBSITE • www.medicalppt.blogspot.com For more presentations www.medicalppt.blogspot.com

  13. FOR MORE FREE MEDICAL POWERPOINT PRESENTATIONS VISIT WEBSITE • www.medicalppt.blogspot.com For more presentations www.medicalppt.blogspot.com

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