The long Q-T interval and syndromes.

  title={The long Q-T interval and syndromes.},
  author={Charles E. Kossmann},
  journal={Advances in internal medicine},
The clinical syndromes characterized by an abnormally long Q-T interval in the ECG are classified at present as acquired (rate-dependent), congenital (adrenergic-dependent), and miscellaneous. The therapy of each differs depending on the cause, the principal of which are drugs (for the acquired form), excessive sympathetic activity (for the congenital form), and a variety of causes for the miscellaneous group. The long Q-T interval, ascribable in some cases to pathologic disparity of durations… CONTINUE READING