TY - JOUR
T1 - Atrioventricular block after reciprocating atrioventricular junctional tachycardia
AU - Aranda, Juan M.
AU - Moleiro, Federico
AU - Castellanos, Agustin
AU - Befeler, Benjamin
PY - 1975/11
Y1 - 1975/11
N2 - Short runs of symptomatic atrioventricular (A-V) block occurred after spontaneous cessation of reciprocating A-V Junctional tachycardia in a patient with right bundle branch block, normal H-V interval and sinus nodal dysfunction. These episodes were characterized by long (more than 1 sec) P-P intervals during which the A deflections were not followed by His bundle electrograms. Three possible explanations are: (1) a posttachycardia-induced period of abnormally prolonged A-V nodal refractoriness; (2) pseudo-A-V block produced by concealed A-V Junctional tachycardia, or (3) bradycardia-dependent (phase 4) A-V block at the "upper" His bundle, above the site from which the H deflection was recorded.
AB - Short runs of symptomatic atrioventricular (A-V) block occurred after spontaneous cessation of reciprocating A-V Junctional tachycardia in a patient with right bundle branch block, normal H-V interval and sinus nodal dysfunction. These episodes were characterized by long (more than 1 sec) P-P intervals during which the A deflections were not followed by His bundle electrograms. Three possible explanations are: (1) a posttachycardia-induced period of abnormally prolonged A-V nodal refractoriness; (2) pseudo-A-V block produced by concealed A-V Junctional tachycardia, or (3) bradycardia-dependent (phase 4) A-V block at the "upper" His bundle, above the site from which the H deflection was recorded.
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U2 - 10.1016/0002-9149(75)90464-6
DO - 10.1016/0002-9149(75)90464-6
M3 - Article
C2 - 1199938
AN - SCOPUS:0016753717
VL - 36
SP - 807
EP - 809
JO - American Journal of Cardiology
JF - American Journal of Cardiology
SN - 0002-9149
IS - 6
ER -