My cat is approx 8 months old & loves to play chasing balls & with feather wand toys etc. She also does bonkers zoomies around the house. I’m a bit worried as she is panting with her mouth open afterwards and I’ve read it could be a sign of a heart condition. Anyone else with a cat that does this? Im going to make a vet appointment - her last appointment was for vaccinations a few months ago & the vet did a health check & said her heart sounded good so hopefully I am worrying unnecessarily.