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The first chapter of any ECG textbook can be read in an hour, but it may not be clear to you. Let me spend your 2 hours telling, showing, and drawing the fundamental concepts. What you will be covered in this lecture: -Anatomy of the cardiac conduction system. Pacemakers -Depolarization and repolarization. Formation of ECG abnormalities -What is a vector? -Formation of PQRST using lead II as an example in real time. -Normal wave segments and intervals -Nomenclature of the ventricular complex -What does an ECG paper consist of? -Standard and enhanced leads. Einthoven's triangle supplemented with enhanced leads -Bailey's six-axis lead system. Why is it important to know and understand it? -Definition of EOS -Calculating HR -P wave in sinus rhythm -Chest leads. Electrodes and localization -Why are V1 and V6 so different? Normal R growth and transition zone Where is there more content? I have it on VK and Instagram: https://vk.com/ruslan_cardio https://instagram.com/ruslan_cardio?i...