Read the following context and answer the question.
Context: I had lost my pure breed Lhasa Apso , named Mushi who was 12 months old , she was just like a baby loving , greeted us when we came home , just full of life , I can go on and on , and suddenly her life was cut short . due to having her Spayed please please think and research your vet before spaying , I did n't even think of her dieing it did not even cross my mind since I thought spay was so routine . What that poor baby went thru and what I witnessed was so horrendous , it was a nightmare . I had picked her up from the clinic the following day after her spay , and No Post op instructions were given to me on emergency numbers or how to take care of her after wards .
Question: What may be the plausible reason for Mushi 's death
Answer:


Lack of follow - up instructions after the operation