Slovis C, Jenkins R. ABC of clinical electrocardiography. Conditions not primarily affecting the heart. BMJ. 2002; 324: 1320-1323.
Wagner GS. Marriott's Practical Electrocardiography, Ninth Edition. Williams & Wilkins. 1994. page 186
Hipomagnesemia QT largo / Torsade
Considerar tratamiento si
Mg > 1.75 mmol/L (4.2 mg/dl)
Cloruro calcico 10% 5–10 mL→
repetir si precisa
Soporte ventilatorio si precisa
Diuresis salina – SF 0.9% +
furosemide 1 mg kg IV
Hemodialisis
Sintomas graves→ 2 g 50%
Sulfato de Mg (4 mL;
8 mmol) IV en 15 min
Torsade de pointes→ 2 g 50%
Sulfato de Mg (4 mL;
8 mmol) IV en 1–2 min
Convulsiones→ 2 g 50% Sulfato de Mg
(4 mL; 8 mmol) IV en 10 min
Calcular déficit