Hi, I can help you with your question toda.
I'm so sorry for the loss of your little one.
Unexpected death is particularly difficult to cope with.
Did she have any health issues prior to her spay?
I see. Being the smallest one, it is certainly possible that she had a congenital problem that was not detected prior to surgery. Did she have blood work tested prior to anesthesia?
OK. What day was her surgery scheduled for?
Yes, they should have completed a full physical exam.
You can ask your vet if you might have a necropsy performed (animal autopsy)/.
This could give us some insight if her heart was abnormal, for example.
It may not be possible depending on where she has been kept.
No, not necessarily. The only thing we can hear are murmurs and arrhythmias, and heart disease in cats is often undetected until something catastrophic occurs.
Oh that poor little thing. She did have a very difficult start.
No, I really don't think this had anything to do with the flea spray.
I absolutely don't think this was due to any care she received from you.
My concerns would be primarily a congenital defect, or some type of adverse reaction to the anesthetics.
No, this would have cause apparent illness.
If she had a reaction to a flea spray, most often we see neurologic signs like twitching or seizures.
You would have known right away if there was a problem.
No, there are very few diseases that can be passed between species. Infectious agents like salmonella can affect both, but most viruses are species specific.
I can't speak for your specific vet, there certainly are both sides of the spectrum available.
I would hope that they don't cut corners. The fact that they have a good reputation is in their favor, the public usually gets a good idea of who practices good medicine.
Those would be my top two differentials at this point.
Yes, I would guess that she would have had some type of cardiac event at some point. An episode of anesthesia should not be enough to cause heart failure in a normal healthy animal.
Respiratory arrest frequently precedes cardiac arrest.
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Why thank you. I hope that time will help you recover from this pain.