CURRICULUM Forum Med Suisse No7 13 février 2002 148
Le diagnostic d’une tachycardie sinusale ne sur-
venant que très rarement peut n’être posé
qu’après l’exclusion d’autres étiologies d’une ta-
chycardie, telles que l’anémie, l’hyperthyroïdie
etc. La tachycardie sinusale inadéquate répond
généralement bien aux bêta-bloquants ou anti-
calciques du type non dihydropyridine [24].
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Références
Quintessence
Les examens de base chez le patient ayant des antécédents de palpitations
consistent en une anamnèse détaillée, un examen clinique avec un ECG à
12 dérivations, et si possible encore un ECG lors d’un accès de palpitations.
Des examens complémentaires sont indiqués:
– Dans les groupes à risque de mort par arrêt cardiaque (maladies cardia-
que structurelle, anamnèse familiale positive pour un arrêt cardiaque).
– En cas d’anamnèse personnelle ou lorsque l’ECG de repos est suggestif
d’une tachycardie persistante.
– Dans le cadre de l’évaluation d’une syncope.
– Lorsque les patients se sentent désécurisés afin de pouvoir documenter
la bénignité de ses palpitations.