QTc Prolongation - Medications and Conditions that Prolong QT: From "A to N"
A - Anti-A-rrhythmics
B - Anti-B-iotics
C - Anti-C-ychotics
D - Anti-D-epressants
E - Electrolytes
F - Females
G - Geriatrics
H - Heart pathophysiology
I - Infection
J - Con-J-enitaI
K - K+ wasting diuretics
L - Lithium
M - Anti-Malarials
N - N-ything else?

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