Open AccessAtrioventricular Synchronization and Accrochage
Author(s) -
Henry J.L. Marriott
Publication year - 1956
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/01.cir.14.1.38
Subject(s) - medicine , atrioventricular block , heart beat , heart block , cardiology , beat (acoustics) , synchronization (alternating current) , block (permutation group theory) , electrocardiography , mathematics , combinatorics , physics , topology (electrical circuits) , acoustics
Complete heart block implies an absolute independence between atria and ventricles that does not in fact always exist. Segers showed that, after complete block was artificially produced in the frog's heart, atria and ventricles would sometimes begin to beat exactly in phase, most commonly in a 2 to 1 ratio. He subsequently reported one clinical example of 2 to 1 A-V synchronization in a patient with complete heart block. Two further cases that may illustrate different varieties of synchronization are here presented.
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