The electrocardiographic manifestations of<unk> <unk>  syndrome vary depending upon the underlying genetic abnormality, but generally include a<unk> c < 360 mseconds, lack of variability in the<unk> c with heart rate, either a tall peaked T wave or Brugada pattern in V1 and V2, early repolarization and paroxysmal atrial fibrillation as a rhythm.
Short QT syndrome electrocardiogram
Brugada syndrome electrocardiogram
Andersen-Tawil syndrome electrocardiogram
Sick sinus syndrome electrocardiogram
Boerhaave syndrome electrocardiogram
Toxic Adenoma electrocardiogram
Intraventricular conduction delay electrocardiogram
Noonan syndrome ECG findings