Acquired long QT syndrome: Definitions, pathophysiology, and …
https://www.uptodate.com/contents/acquired-long-qt-syndrome-definitions-pathophysiology-and-causes
WebSep 21, 2022 · Before puberty, a QTc <450 ms is considered normal, between 450 and 459 borderline, and ≥460 prolonged. After puberty in males, a QTc between 460 and 469 is borderline and ≥470 is considered prolonged. In post-pubertal females, 460 to 479 is borderline and ≥480 ms is considered prolonged.
DA: 15 PA: 69 MOZ Rank: 63