My daughter has pots and unable to do anything eat sleep in pain just everything i'm going to gi dr will they give her a feeding tube or just do test?

Postural Orthostatic: Tachycardia Syndrome in teens is an ^ in heart rate of 40 or > beats/min. within 10 min. of assuming an upright position with no drop in blood pressure. Pediatric specialists in cardiology, endocrinology, neurology & genetics often evaluate for underlying causes; child & adolescent psychologists provide therapy. Pediatric GI doctors look for related physical or functional GI disorders.