Prolongation of the Q-T interval in the electrocardiogram occurring as a temporary functional disturbance in healthy persons with a proposal that (Q-T) cal. may be used to designate Q-T intervals calculated for the physiologic variables, cycle length, age, and sex.
D004562:Electrocardiography; D006321:Heart; D006801:Humans
ELECTROCARDIOGRAPHY; HEART/electrocardiography