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findings from 12-lead electrocardiography

Patricia R E Harris
The electrocardiogram (ECG) is a well-established diagnostic tool extensively used in clinical settings. Knowledge of cardiac rhythm and mastery of cardiac waveform interpretation are fundamental for intensive care nurses. Recognition of the normal findings for the 12-lead ECG and understanding the significance of changes from baseline in continuous cardiac monitoring are essential steps toward ensuring safe patient care. This article highlights historical developments in electrocardiography, describes the normal resting 12-lead ECG, and discusses the need for continuous cardiac monitoring...
September 2016: Critical Care Nursing Clinics of North America
Yan-Xia Sun, Ashraf S Habib, Tom Wenger, Irwin Gratz, David Glick, Rishimani Adsumelli, Mary R Creed, Tong J Gan
PURPOSE: To assess changes in the electrocardiogram (ECG) associated with intraoperative infusion of adenosine in patients undergoing open abdominal gynecological surgery. METHODS: One hundred and sixty-six patients undergoing gynecological surgery were randomly assigned to receive one of four doses of adenosine infusion (25, 50, 100, or 200 μg/kg/min) or matching placebo. Study drug administration was started at skin incision and discontinued at end of surgery...
October 2012: Journal of Anesthesia
John Gorcsan, Prasant Pandey, L Elif Sade
To test the hypothesis that hand-carried ultrasound (HCU) may influence patient treatment on consultative cardiology rounds, 235 patients who were hospitalized (aged 65 +/- 10 years) were studied. First, routine treatment decisions regarding diagnostic workup and therapy were made from patient history, physical examination, 12-lead electrocardiogram, and chart data. Second, a goal-directed HCU study was performed in <10 minutes focusing on left ventricular global and regional function, wall thickness, and presence of pericardial effusion, followed by a reassessment of treatment decisions...
January 2004: Journal of the American Society of Echocardiography
A Ferraioli, G Scotto di Quaquaro, G Murino, C Romaldo, G Di Mauro
The analysis of records collected during long-term ambulatory electrocardiographic monitoring has traditionally involved the review of massive data, either manually or with the aid of interactive scanning computers. Many factors complicate this analysis, including the use of analog tape for storage of electrocardiographic waveforms, the need to analyze 100,000 waveforms from an average 24-hour study, and the need to deal with an interface that compresses 24 hours of data into as little as 6 minutes on a screen...
October 1990: Journal of Clinical Monitoring
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