Channel Title: ECGTeacher Channel Description: The electrocardiogram is one of the most important diagnostic tools in acute medicine. In this course, we use straightforward language and graphics to explain in simple terms how the normal ECG readout is generated and presented. We then go on to explain how the ECG is used to diagnose diseases of the heart. As indicated in the links above, the course is divided into 5 sections; the normal ECG, Axis and Chambers, MI and ischemia, Arrhythmias and Miscellaneous. These sections should be studied in that order. Each of the 5 sections is further divided into a small number of videos. The videos in each section combine to form a single lecture and again should be viewed in the order indicated. At the end of each section there are a series of simple tests which are designed to consolidate the knowledge you will have acquired. These tests should be completed before moving on to the next section. <video> Case 4 Explanation Description: https://acadoodle.com Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> ECG Interpretation Introduction Description: http://www.acadoodle.com Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> Medical Tutorials by Acadoodle Description: http://www.acadoodle.com Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> Acadoodle.com - Time and the ECG (Section 1.5, Part 1) Description: http://www.acadoodle.com Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> ECG Interpretation - Time and the ECG - Part 1 Description: http://www.acadoodle.com Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> Case 2 Explanation Description: https://acadoodle.com As generalists, on the post-call ward round, we are often faced with difficult ECG dilemmas. Important findings are easily missed or misinterpreted. An 85 year old man is seen with resolving delirium and a normal CT brain. In view of the new diagnosis of atrial fibrillation, the senior doctor leading the round asks for anticoagulants to be prescribed. A junior doctor, of considerable ability, nervously suggests to her boss that the diagnosis should be re-considered. Is she correct? Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> ECG Interpretation - Generation Description: http://www.acadoodle.com The leads of the ECG machine detect the movement of the cardiac depolarisation and repolarisation waves as they spread through the atria and ventricles. Leads capable of detecting electrical signal are placed on the patient's body and the different lead positions record the flow of current through the heart from different perspectives. Iin this video we will explain how the individual ECG leads analyse and record cardiac current. Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> ECG Interpretation - ECG Lead Perspectives Description: http://www.acadoodle.com The different leads of the ECG examine cardiac electrical activity from different perspectives. In this video we teach you the perspectives of the 12 ECG leads on cardiac depolarosiation and repolarisation. We consider the 12 leads in two groups of six, with the six chest leads (V1-V6, also referred to as the precordial leads) examining the flow of cardiac depolarisation and repolarisation in the horizontal plan and a second group of six leads (the standard leads and augmented leads) which examine these events in the vertical plane. For the experienced practitioner, looking at different areas on the ECG readout is like looking at different anatomical regions of the heart. Also, understanding the lead perspectives is crucial in the interpretation of cardiac arrhythmias. Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> A Brief History of Oxygen Therapy Description: Full free course: https://acadoodle.com/courses/29 The history of oxygen use in medicine can be divided into two long epochs. In the century following Priestly and Lavoisier’s report of the isolation of the gas, the use of oxygen in medical practice was characterised by largely ineffective, intermittent administration of the gas by several different routes in multiple unrelated conditions. This initial ‘dark age’ of oxygen therapy was followed by an era in which we gradually stumbled upon what, at the time of writing, we believe to be a rational approach to supportive oxygen therapy. As we shall see, the evolution of oxygen use in medicine is intimately connected with some of the major events in human history. This course is a starting point for a series of CME activities concerning the clinical application of oxygen therapy. A knowledge of the history of oxygen therapy will help you understand the origins and rational behind many of our practices today. Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> Case 3 Explanation Description: Check out our courses: https://acadoodle.com As generalists, on the post-call ward round, we are often faced with difficult ECG dilemmas. Important findings are easily missed or misinterpreted. A 35 old man presents with palpitations of sudden onset. He reports a long history of similar self-limiting episodes. On this occasion, his symptoms are persistent and he has presented to the ER. He has no cardiac history. His ECG recorded on presentation is shown below. His tachycardia failed to respond to several interventions, including escalating doses of intravenous adenosine. Eventually he reverted to normal sinus rhythm after administration of intravenous verapamil. He remained hemodynamically stable throughout with a systolic blood pressure in the region of 120 mmHg. What is going on? ______________________________________ Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. Check out our courses: https://acadoodle.com </video> <video> ECG Interpretation - Atrio-Ventricular Block Description: http://www.acadoodle.com Atrial depolarisation is transmitted to the ventricular myocardium by the AV node and intraventricular conducting system. The time between the onset of atrial depolarisation and the release of depolarisation into the ventricular myocardium from the terminal branches of the conducting system is represented by the PR interval on the ECG. Dysfunction of the AV node or diffuse damage to components of the ventricular conducting system can result in a delay or even failure of transmission of atrial depolarisation into the ventricular muscle mass. This situation is referred to as atrioventricular or AV block. Three degrees of AV block are recognised. First degree AV block is defined by transmission of all P waves to the ventricular myocardium but with prolongation of the PR interval beyond the upper limit of normal on the ECG. Second degree AV block is defined by failure of conduction of some P waves into the ventricles. In third degree or 'complete' AV block, no P waves are transmitted to the ventricular myocardium. Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> Case 10 Explanation Description: An elderly gentleman is brought in by ambulance from home. He has developed progressive shortness of breath over a period of two months. He is now bed bound and is visibly short of breath sitting upright in the cubicle bed. His JVP is 8cm. Bi-basal crepitations are heard on auscultation. What do you make of it? Check out these relevant Acadoodle Courses: Cardiac Conduction: Bundle Branch Block: https://acadoodle.com/courses/26 Cardiac Chamber Enlargement: https://acadoodle.com/courses/4 Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> ECG Interpretation - Cardiac Electrical Activity Description: http://www.acadoodle.com Contraction of the atria and ventricles is tightly coordinated by a wave of depolarisation spreading through the muscular walls of these chambers. The depolarisation wave reflects movement of charge across cardiomyocyte membranes and is in effect an electrical current spreading through the heart. Following contraction, cardiac muscle returns to a resting state and this is associated with reversal of the movement of charge across the myocyte membranes, this second wave of electrical activity is termed cardiac repolarisation. The leads of the ECG machine are designed to detect and record these two waves of cardiac electrical activity. The depolarisation and repolarisation waves spread through the heart in a highly predictable pattern and to understand the ECG readout, the pattern of spread of cardiac electrical activity needs to be understood. Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video> <video> Case 1 Explanation Description: https://acadoodle.com As generalists, on the post-call ward round, we are often faced with difficult ECG dilemmas. Important findings are easily missed or misinterpreted. A 65 year old man presents following an episode of collapse with a brief loss of consciousness. CT brain is normal. When reviewed on the post call round, he appears completely well. There is nothing to find on examination and he is being considered for discharge home, his episode of collapse; ‘just one of those things’. Acadoodle.com is a web resource that provides Videos and Interactive Games to teach the complex nature of ECG / EKG. 3D reconstructions and informative 2D animations provide the ideal learning environment for this field. For more videos and interactive games, visit Acadoodle.com Information provided by Acadoodle.com and associated videos is for informational purposes only; it is not intended as a substitute for advice from your own medical team. The information provided by Acadoodle.com and associated videos is not to be used for diagnosing or treating any health concerns you may have - please contact your physician or health care professional for all your medical needs. </video>

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The electrocardiogram is one of the most important diagnostic tools in acute medicine. In this course, we use straightforward language and graphics to explain in simple terms how the normal ECG readout is generated and presented. We then go on to explain how the ECG is used to diagnose diseases of the heart. As indicated in the links above, the course is divided into 5 sections; the normal ECG, Axis and Chambers, MI and ischemia, Arrhythmias and Miscellaneous. These sections should be studied in that order. Each of the 5 sections is further divided into a small number of videos. The videos in each section combine to form a single lecture and again should be viewed in the order indicated. At the end of each section there are a series of simple tests which are designed to consolidate the knowledge you will have acquired. These tests should be completed before moving on to the next section.

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