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Medical
Ventricular Pacing Versus Normal Sinus Rhythm
As a cardiothoracic anesthesiologist and intensivist, many of my patients receive ventricular pacing at some point during their hospital admission.…
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Education
S1-Q3-T3 EKG Pattern
S1-Q3-T3 refers to an EKG pattern first described in the 1930s suggestive of cor pulmonale in a case series of…
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Education
Right Bundle Branch Block EKG Findings
In right bundle branch block (RBBB), the His-Purkinje conduction system cannot conduct normally into the right ventricle (RV). Therefore, the…
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Education
“Is This EKG Real Or Artifact?”
In the world of perioperative and intensive care medicine, I’m surrounded by continuous monitors; however, it’s important to understand how…
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Sci/Tech
Apple Watch ECG Captures Pacemaker Activity
The hysteria surrounding Apple Watch 4’s single lead electrocardiogram (ECG) feature has simmered down over the last few months, but…
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Education
EKG Axis Deviation
Normal cardiac conduction propagates downward and leftward from the SA node to the His-Purkinje system. Thus, lead I (points to…
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