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Article
Short QT Syndrome in a Pediatric Patient
Short QT syndrome (SQTS) is a recently described genetic syndrome characterized by abnormally brisk ventricular repolarization. Similar to long QT syndrome, SQTS might result in ventricular arrhythmias, syncop...
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Chapter and Conference Paper
Radiofrequency Catheter Ablation for the Treatment of Cardiac Arrhythmias in Children
From February 1991 to October 1994, 54 children and young adults (13 ± 5 years old or 52 ± 20 kg) underwent 63 sessions of radiofrequency catheter ablation in the Department of Pediatrics, University of Miami....
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Article
Obstructed total anomalous pulmonary venous connection
With the advent of echocardiography, total anomalous pulmonary venous connection (TAPVC) can be readily diagnosed without much difficulty. However, noninvasive detection of the presence of pulmonary venous obs...
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Article
Infantile cardiac hemangioendothelioma
A 4-month-old infant with cardiac hemangioendothelioma presented with thrombocytopenia, and pericardial effusion, as well as signs and symptoms of heart failure. This is the first reported case of infantile ca...
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Article
THE EFFECTS OF HYPOXIA AND ADENOSINE ON THE ELECTROPHYSIOLOGIC FUNCTION OF THE ADULT AND NEONATAL RABBIT ATRIOVENTRICULAR NODE
We used an isolated perfused heart model to test the effects of acute hypoxia and adenosine (ADO) on the adult (A) and neonatal (N) (1-5 days) rabbit atrioventricular node (AVN). The AVN function was assessed ...
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Article
160 RAPID ATRIAL PACING-INDUCED INFRA-HIS CONDDCTION BLOCK
Nine out of 285 (3%) pediatric patients (pts) were found to have pacing-induced infra-His conduction block (B). In 2 pts it occurred following a preceding long cycle as well as a peceding short-to-long sequenc...
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Article
162 ALTERNATING WENCKEBACH PERIODICITY AND MULTILEVEL AV BLOCK
Six pediatric patients (pts) exhibiting atrial pacing-induced repetitive block (B) are presented. Analysis of the conduction patterns satisfy the requisites for multilevel AV B. 1) DOCUMENTED 2 LEVEL B: Two pt...
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Article
161 REVERSED ALTERNATING WENCKEBACH PERIODICITY
Alternating Wenckebach periodicity (AWP) is defined as an pattern of 2:1 AV block associated with progressive lengthening of the conducted impulses with termination in a higher degree of block. We found another p...
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Article
DIAGNOSIS OF PULMONARY HYPERTENSION IN CHILDREN WITH ENDOCARDIAL CUSHION DEFECTS BY M-MODE ECHOCARDIOGRAPHY
Selective Echo parameters have been used in separating children with VSD with and without pulmonary artery hypertension (PAH). This study was performed to assess specific Echo parameters in pts with endocardia...