i have no way of blindly determining the reason(s) for your grand-daughter's loss of consciousness over the internet based solely on your very brief posting. she will need to be carefully evaluated by a medical profession either at an emergency room or primary care office.
13yo passed out awake now b. p. 100/65 what s happening? . my 13 year old grand was found lying on the floor. she may have hit her head when she passed out. this has happened before but not since she was 5 or 6. what is happening.