This dog is so excited to see her human, she just can’t help herself. Â Rebecca (Ehalt) Svetina was gone for two years, and boy was she missed. Â See how Casey just passes out and rolls over. Â What a ham!
Casey was taken to a veterinarian and came home with a clean bill of health.  Fainting—also called syncope—is a sudden, momentary loss of consciousness with spontaneous recovery. Though it can be a symptom of serious conditions, it can also be caused by something else: excitement. Casey became so excited that she hyperventilated, meaning that not enough oxygen was reaching her brain. A lack of oxygen causes a loss of consciousness. Casey was only losing consciousness for a couple seconds at a time, which can happen to people, dogs, etc. when they overexert themselves. The family says she has never had this happen before, and they took her to a vet, who assured them that she was fine.