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My cat's cold, pulseless legs: What else besides saddle thrombus?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 11 years and 5 months old | 10 lbs

Two weeks my cat was diagnosed with saddle thrombus, he had cold legs with very little pulse and coudn't move them. She was treated and show improvement for the next week (she managed to walk and even jumped a littlebit). A few days ago she suddenly stopped moving her back legs again, with no pulse and cold legs. She hadn't shown any signs of pain in bith times, so he decided to perform further test as he said she may have another thing. ¿Can another dissease cause back legs not to have pulse?

1 Answer

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on October 26th, 2017

I’m so sorry to hear about your kitty. Saddle thrombus is the most likely cause of cold, immobile, pulseless legs. However anything that obstructs blood flow can cause the same signs. Tumor in the area or significant trauma could potentially cause the same signs. Does your cat have a heart murmur? That increases the likelihood of saddle thrombus. An ultrasound of the heart and abdominal aorta can definitely diagnose saddle thrombus. Best of luck and I hope he improves quickly.

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