volume 27, issue 3, P162-163 2019
DOI: 10.1007/s12471-018-1224-z
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Abstract: A woman with congenital pulmonary valve stenosis treated by balloon valvulotomy had been visiting the outpatient clinic for many years with complaints of palpitations. Several 24-h electrocardiogram (ECG) recordings and resting ECGs (Fig. 1a) showed frequent premature ventricular contractions and two regular wide-complex asymptomatic tachycardias of a maximum of eight beats with a maximal frequency of 120 beats/min. However, these findings could not be related to her complaints. The patient was included in a n…

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