Exercise-induced bradycardia after Mustard repair for complete transposition.
Impairment of sinus rhythm has been reported after the Mustard procedure for complete transposition. We observed two patients who developed severe bradycardia during or after exercise. The first had a 2.8 s sinus pause in the recovery period, the second had a drop in heart rate during exercise. Both eventually had a pacemaker implanted. Exercise testing can be helpful in detecting sick sinus syndrome.
Matthys
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D
Division of Paediatric Cardiology, University Hospital Ghent, Belgium.
Verhaaren
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H
D000293:Adolescent; D000328:Adult; D001919:Bradycardia / Q000175:diagnosis / Q000209:etiology*; D005080:Exercise Test; D006801:Humans; D008297:Male; D005082:Physical Exertion; D012804:Sick Sinus Syndrome / Q000175:diagnosis / Q000209:etiology; D014188:Transposition of Great Vessels / Q000601:surgery*