A physiologic murmur is quite common in cats.
This is usually the result of a dynamic right ventricular outflow tract obstruction (
This condition is created when the muscle of the right ventricular outflow tract squeezes and narrows the exit to the right ventricle.
Much like a garden hose with your thumb over the end, this creates fast and turbulent blood flow, which is noted as a murmur.
This finding has been well-studied in cats and is not linked to any
The primary worry is that it limits our accuracy of auscultation in monitoring for adult-onset disease.
No treatments or medications are required.