Cat Heart Disease: Early Warning Signs

Heart Disease in Cats

Hypertrophic cardiomyopathy (HCM) is the most common heart disease in cats, affecting up to 15% of the population. Maine Coons and Ragdolls have genetic predisposition.

Subtle Early Signs

Unlike dogs, cats with heart disease rarely cough. Watch for rapid breathing at rest (over 30 breaths per minute), lethargy, decreased appetite, and hiding behavior.

Emergency Signs

Sudden hind leg paralysis, open-mouth breathing, and collapse are emergencies. These may indicate a blood clot (saddle thrombus) or heart failure requiring immediate care.

Diagnosis

Echocardiography (heart ultrasound) is the gold standard for diagnosing HCM. Your vet may also recommend blood tests for proBNP, a cardiac biomarker.

Management

Medications like atenolol, diltiazem, and blood thinners can manage HCM. Regular monitoring every 6 months helps track progression and adjust treatment.