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Key Points 1. Guideline updates emphasize the efficacy of surgical approaches to myocardial revascularization in patients with multivessel coronary artery disease. 2. Perioperative risk reduction includes careful consideration of all of the patient's relevant antihypertensive, antiplatelet, and antianginal medications. 3.…
Key Points 1. The electrocardiogram reflects differences in transmembrane voltages in myocardial cells that occur during depolarization and repolarization within each cycle. 2. Processing of the electrocardiogram occurs in a series of steps. 3. Where and how electrocardiographic (ECG) electrodes…