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Gepubliceerd in: Netherlands Heart Journal 7-8/2013

Open Access 01-07-2013 | Rhythm Puzzle - Answer

The kiss of the girl from Ipanema

Auteurs: R. Evertz, J. Brugada

Gepubliceerd in: Netherlands Heart Journal | Uitgave 7-8/2013

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Answer to the rhythm puzzle

The ECG shows a narrow QRS tachycardia, although without a very fast ventricular rate of 110 beats/min. A rather narrow P wave can be appreciated just after the T wave with a positive deflection in leads V1 to V6, I and aVL and negative deflection in leads II, III and aVF. Another P wave can be found right at the end of the QRS complex, giving rise to a pseudo R wave in lead V1, or RSR1. This pseudo R wave is absent during sinus rhythm (Fig. 2a–c). An orthodromic atrioventricular reentrant tachycardia (AVRT) can be excluded, because the ventricle is not part of the reentry circuit. The differential diagnosis is either an atrioventricular nodal reentrant tachycardia (AVNRT) with 2:1 block to the ventricle or an atrial tachycardia (AT) with 2:1 atrioventricular (AV) block. The P-wave morphology in this case is not very helpful, because it suggests an activation pattern from inferior to superior and a septal origin, which can be seen in both an AVNRT and a posteroseptal focal AT. During the electrophysiology study, dual AV nodal physiology was observed and with programmed stimulation a typical AVNRT with a short AV interval and 1:1 AV relation was induced after two supraventricular extra stimuli with the second clearly conducted over the slow pathway (long AV interval with a jump) and retrograde conduction over the fast pathway. After repeated induction the same phenomenon as observed on the ECG of Fig. 1 was seen with 2:1 conduction block to the ventricle. This tachycardia started in the same manner as the one with 1:1 conduction and showed a fixed atrioatrial and ventriculoatrial interval. After radiofrequency ablation of the slow pathway at the posterior aspect of Koch’s triangle no tachycardia could be induced. Looking back at the initial ECG we see a pattern that has been called ‘the kiss of the girl from Ipanema’ most clearly seen in lead aVL. This pattern is typical for an AVNRT with 2:1 conduction block to the ventricle and appears because of the position of the retrograde P wave directly after the T wave1 (Fig. 2d). It was named after a song called ‘The girl from Ipanema’, written and first performed in Rio de Janeiro by Antonio Carlos Jobim in 1962. It was awarded a Grammy in 1964 for best song of the year. Thereafter it has been performed by many artists, including Frank Sinatra, Ella Fitzgerald and Madonna.
Open Access This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
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Netherlands Heart Journal

Het Netherlands Heart Journal wordt uitgegeven in samenwerking met de Nederlandse Vereniging voor Cardiologie en de Nederlandse Hartstichting. Het tijdschrift is Engelstalig en wordt gratis beschikbaa ...

Metagegevens
Titel
The kiss of the girl from Ipanema
Auteurs
R. Evertz
J. Brugada
Publicatiedatum
01-07-2013
Uitgeverij
Bohn Stafleu van Loghum
Gepubliceerd in
Netherlands Heart Journal / Uitgave 7-8/2013
Print ISSN: 1568-5888
Elektronisch ISSN: 1876-6250
DOI
https://doi.org/10.1007/s12471-013-0434-7

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Rhythm Puzzle - Question

The kiss of the girl from Ipanema