[Congenital (hereditary) long QT syndrome: possible factors predisposing to development of ventricular tachyarrhythmias. Part II].
In 3 close relatives (mother, son, mother's first cousin) with long Q-T syndrome syncopal attacks were preceded by lowering of ionized calcium in peripheral blood. This mechanism is supposed to be a trigger of ventricular tachycardia in long Q-T syndrome.
Andreĭchenko
T A
TA
Burdi
S M
SM
Sergeev
I N
IN
Preobrazhenskiĭ
D V
DV
Belozerova
L M
LM
D000328:Adult; D002118:Calcium / Q000097:blood; D002648:Child; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008133:Long QT Syndrome / Q000097:blood / Q000150:complications* / Q000151:congenital* / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D012307:Risk Factors; D017180:Tachycardia, Ventricular / Q000175:diagnosis / Q000209:etiology*
D002118:Calcium