Abstract:Treadmill exercise electrocardiography and spirometry was recorded in 61 patients (aged from 5 to 23 years) who underwent corrective surgery for tetralogy of Fallot. The Bruce-protocol and a modified interval-protocol were compared to find out their ability to induce arrhythmias. Supraventricular arrhythmias were predominantly provoked by the interval-protocol while maximal exhaustion is often necessary for inducing ventricular arrhythmias which we found in 23% of our patients. Most of them were seen in the pe… Show more
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