Differential Diagnosis of Long QT Interval 

Long OT Interval 

Differential diagnosis of long QT interval are / causes of long QT interval are:

-acute myocarditis
-acute myocardial infarction 
-class Ia anti arrhythmic agent intake
-tricyclic antidepressant medication 
-chloroquine
-Jervell Lange Nielsen Syndrome 
-Romano Ward Syndrome
-hypokalemia
-hypophosphatemia
-hypocalcemia
-hypothermia
-cerebral injury