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My senior dog's grade 4 heart murmur: What to do & life expectancy?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | spayed | 11 years and 3 months old

Hi my female dog aged 11 King Charles has a heart murmur which she has had for a few years now but had her annual check today and it has progressed to grade 4/5 I was just wondering if there is anything I can do for her she wasn't given any medication said just look out for signs that thing getting worse? And what is the life expectancy with this grade and condition thankyou

1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on February 9th, 2019

A murmur is the sound of abnormal blood flow through the heart. It is not an indication of function. The next step would be to have an echocardiogram (ultrasound of the heart) performed on Molly. This would assess cardiac architecture as well as function. An echo can be done by your veterinarian and then submitted to a veterinary cardiologist for review or you can schedule it directly with a specialist. Afterwards, medications would be dispensed if indicated. Life expectancy would be determined by the severity of her condition. This could be discussed with the veterinarian after results of the echo are returned.

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