- (associatted with malignant
V tach/ Torsades) QT : Nl QT=.39*[Sqr rt:RR; QTc = QTmeas/[Sqr rt:RR; nl<.45; -
Class I -
quinidine -
Procainamide - Tricyclics -
Phenthiazines - Disopyramide - Amiodarone -
Hypokalemia, -
Hypocalcemia; - ?
Digoxin Causes of QT Shortening: - ?
Digoxin - Hyper Ca
