What causes nonsustained ventricular tachycardia to happen twice in 48 hours on a holter monitor for a pregnant person. no symptoms. i had symptoms in prior days, but not while wearing the monitor. ?

VTs and pregnancy : Its presence may indicate an underlying cardiac structural abnormality, or undiagnosed congenital arrhythmic disease. However, some pregnant patients with ventricular tachycardia have structurally normal hearts and the majority of VTs that occur during the pregnancy are benign, your doctor may want to get some tests done just to verify there is no underlying condition.