Dr. Voss Decodes Hidden Feline Health Risks in Aspen

The air inside the Aspen veterinary clinic is always a few degrees cooler than the high-altitude sun outside, smelling faintly of antiseptic and nervous energy. A tabby cat sits perched on the edge of an exam table, eyes wide and unblinking, watching the vet approach with the calculated stillness of a predator that knows it’s being watched. It’s a silence that tells you everything you need to know about how these animals handle stress.

Dr. Voss knows that silence well. She’s got a soft spot for them, obviously. You can see it in the way she talks about them — not just as patients, but as creatures with a "selective affection" that feels earned rather than given. But that affection is a double-edged sword for a doctor. Cats are masters of disguise. They don’t whine when they’re sick. They don’t limp until the bone is ready to snap. They just hide it, stoic and elusive, until they can no longer compensate on their own.

"By the time a cat is showing outward signs of disease, we are frequently playing catch up," Voss says.

It’s a frustrating reality for pet guardians who think they’re doing the right thing by dragging their quiet companions into a carrier, driving them down the road, and dumping them into a room full of strangers poking and prodding. The cat, already stressed by the carrier, now has to deal with unfamiliar people and the threat of needles. They become less cooperative, less willing to give up the secrets of their own bodies. So, veterinarians have to rely on history and diagnostic testing, trying to piece together a puzzle where half the pieces are hidden in the dark.

Take breathing, for instance. It’s one of those classic feline emergencies that Voss sees regularly. Cats are obligate nasal breathers. Unlike dogs, who might pant after a long run, a cat panting with an open mouth is in trouble. Always. It’s not normal. It’s a red flag that something is wrong, and it’s wrong fast.

Respiratory distress can stem from asthma, heart disease, or pleural space disease — affecting the area surrounding the lungs. If left untreated, any of these can be fatal. And here’s the thing though: many people mistake a cat’s cough for a hairball. They wait. They hope it passes. But if that cough happens more than once a month, Voss says you need chest radiographs. You need to look deeper.

Heart disease is even trickier because it’s often occult. It hides. There may be no obvious signs until the disease is advanced. Some cats first present with increased respiratory effort because fluid is building up in or around their lungs. Others develop a saddle thrombus, a blood clot that blocks blood flow. It’s a silent killer, waiting for the right moment to strike.

Voss doesn’t take offense when a cat swats at her on the exam table. She understands the instinct. To the cat, she’s a stranger triggering every danger signal in its brain. But she’s still there, listening, watching, trying to diagnose the invisible. It’s a privilege, she says, to share their world. But it’s also a responsibility to look past the purr and see the pain hiding underneath.