An atrionodal and nodo-Hisian gap phenomenon.

British Heart Journal
T PopS Effert

Abstract

Two cases of the gap phenomenon are presented. The first was an example of a gap between the atrium and the AV node. In the second the gap was at the nodo-Hisian junction. At a critical H1H2 interval splitting of the premature His potential occurred. A decrease of the H1H2 interval led to the disappearance of the distal H2 potential and to atrioventricular block. But at even shorter coupling intervals the H1H2 interval lengthened suddenly with resumption of the AV conduction. These observations provide further evidence that the gap phenomenon has a wider spectrum than was previously thought.

References

Nov 1, 1970·Circulation Research·A L WitC Steiner
Jan 1, 1973·American Heart Journal·J J GallagherS H Lau
Apr 1, 1974·Circulation·M AkhtarS H Lau
May 1, 1974·Circulation Research·D WuK M Rosen
Sep 1, 1970·Circulation Research·A L WitA N Damato
Jan 1, 1969·Annals of Internal Medicine·B N Goldreyer, J T Bigger
Jan 1, 1969·Circulation·B J ScherlagA N Damato

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Citations

Jan 3, 2007·Heart Rhythm : the Official Journal of the Heart Rhythm Society·Kenneth C BilchickJoseph E Marine

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