First drug OK'd for most common heart condition in cats

Shmitty the cat had been a patient of Dr. Kourtney Morrissette for three years by the time his owner saw him fall onto his side for more than a minute, breathing through his mouth — which is unusual for a cat — and paddling the air with his paws. What Morrissette detected years earlier as a faint heart murmur was the first hint that Shmitty had a condition known as hypertrophic cardiomyopathy.

This story was published on April 24, 2025.