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Bradycardia: sinus and AV node dysfunction
Herzschrittmachertherapie + Elektrophysiologie, 2015The surface electrocardiogram (ECG) holds many clues with regard to the etiology of bradycardia and site of atrioventricular (AV) block. Bedside maneuvers may prove helpful in cases of 2:1 AV block or situations where the data is not all concordant. Wenckebach conduction may occur in any region of the heart, and there are nonpathologic mimickers of ...
Cara N, Pellegrini, Melvin M, Scheinman
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Unmasking of sinus node dysfunction by ajmaline
International Journal of Cardiology, 1989A 75-year-old male with bifascicular block presented with recurrent giddiness and presyncope. Prolonged monitoring of the cardiac rhythm did not reveal any arrhythmia. Electrophysiological evaluation, including an ajmaline stress test, was performed. Ajmaline had an unusual effect.
R, Bajaj, U, Kaul, J, Narula
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A Case of Syncope and Sinus Node Dysfunction
AJN, American Journal of NursingEditor's note: This is the next installment in a series on electrocardiogram (ECG) interpretation. Nurses in all settings should know the basics, as medications and physiological changes can cause cardiac arrhythmias. Each article will start with a brief case scenario and an ECG strip and then take you step by step through analyzing the heart rhythm.
Nicole, Kupchik, Sarah, Vance
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Genetics and Sinus Node Dysfunction
Journal of Atrial Fibrillation, 2009Eyal, Nof +2 more
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Sinus node dysfunction in children.
Zhonghua Minguo xiao er ke yi xue hui za zhi [Journal]. Zhonghua Minguo xiao er ke yi xue hui, 1992Seven out of 829 pediatric cardiac patients (0.84%) were found to have sinus node dysfunction (SND) over the past seven years. Of the seven patients, three had structurally normal hearts. One of these three patients had long QT syndrome. In four patients, structural heart disease was noted. In three of these four patients the sinus node dysfunction was
Lee, W. J. +3 more
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