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Sick Sinus Syndrome and AV Node Re‐entry *
Author(s) -
TORNOS PILAR,
HEDDLE WILLIAM,
TONKIN ANDREW
Publication year - 1979
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.1979.tb03652.x
Subject(s) - medicine , sick sinus syndrome , palpitations , verapamil , sinoatrial node , cardiology , tachycardia , node (physics) , sinus (botany) , heart rate , blood pressure , botany , structural engineering , genus , engineering , biology , calcium
A 69‐year‐old man presented with recurrent palpitations since childhood. Electrophysiology studies performed on two separate occasions revealed the combination of sick sinus syndrome and AV node re‐entrant tachycardia. The case is reported because it illustrates marked temporal variability in the electrophysioiogical properties of the dual AV node pathways, and also deleterious effects of verapamil on sinoatrial node function. (PACE, Vol. 2, May‐June, 1979)