In this video, a 3-Lead EKG will identify sinus arrhythmia, sinus bradycardia, sinus tachycardia, atrial flutter, and atrial fibrillation.
A patient's EKG reveals unequal RR intervals. Sinus arrhythmia commonly occurs during expiration and inspiration.
Bradycardia in the adult is a heart rate below 60 beats per minute. See examples of asymptomatic and symptomatic bradycardia. Learn the conditions that can precipitate symptomatic bradycardia.
Viewers compare three examples of sinus tachycardia. Sinus tachycardia occurs in 35% of patients who have suffered acute myocardial infarction.
Atrial fibrillation occurs when there are multiple impulse sites in the atria; 400-700 impulses per minute. Learn the risks associated with atrial fibrillation and see a doctor use cardioversion to restore a normal rhythm.
During atrial flutter, the AV node is bombarded by hundreds of stimuli. Learn the functions of the AV node, the atrial flutter conduction ratios, and intervention options including vagal maneuvers and cardioversion.
Credits: Sinus and Atrial Dysrhythmias: 3-Lead EKG
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This video discusses sinus arrhythmia, sinus bradycardia, sinus tachycardia, atrial flutter, and atrial fibrillation using illustrations, animations, and scenarios. In addition, it describes the pathophysiology and symptoms of each abnormality and presents and explains the corresponding EKG waveforms. A part of the series 3Lead EKG. (20 minutes)
Length: 21 minutes
Copyright date: ©2007
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Introduction: 3-Lead EKG
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