Which Patients Would Be Candidates for Genetic Testing for Long

Which patients would be candidates for genetic testing for long QT syndrome (LQTS) ?

A) Patients with prolonged QT interval during a cardiac and genetic work-up
B) Family history of positive genotype and negative phenotype
C) Patients diagnosed with torsades de pointes
D) Family history of sudden cardiac death
E) Family history of bleeding disorders
F) Family history of obesity