, Author, knows too much about heart disease from personal experience. 1  If space aliens bombed all the pharmaceutical factories and we had to go back to herbs, Coleus forskohlii (Indian coleus) would act as a natural beta-blocker, whether or not it was used for hypertension or cardiomyopathy.
Heartworm prevention is recommended, and may cost up to $40. The cat should also be checked out by a vet, to make sure there are no problems; the vet bills may be between $50 (for a simple check up) to $300 for advanced tests, if these are needed.
This is an emergency and will require the cat to be hospitalized for at least 3 days with a urinary catheter placed under sedation, fluids given, medications started, possibly bloodwork performed--total cost can be anywhere from $400-1000, depending on how things went. Some cats unblock easily and have no more problems.