Heart murmurs are simply abnormal heart sounds caused by turbulent blood flow, and treatment depends upon the underlying cause of the heart murmur or the turbulent blood flow. Physiologic heart murmurs do not require any treatment; however, regular monitoring of a dog that has evidence of a physiologic murmur is advised to ensure that no other …
https://vcahospitals.com/know-your-pet/heart-murmurs-in-dogs

