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Hypertrophic cardiomyopathy (HCM)

The most common feline heart disease; Ragdolls and Maines are prone β€” the only early clue is a faster sleeping breath rate.

πŸ” Related symptoms

Typical symptoms ranked by diagnostic value β€” tap for the full symptom page

Rapid breathing (over 40/min at rest)Lethargy / sleeping all day🚨Labored breathing / open-mouth breathing

βœ… Home-care checklist

  • βœ“Learn to count sleeping breaths (over 40/min is a warning)
  • βœ“Book an echocardiogram
  • βœ“Avoid stress and vigorous play

πŸ₯ When to see a vet

  • ⚠Persistently fast resting breathing
  • ⚠Open-mouth breathing or blue gums = emergency now

🐾 Predisposed breeds

RagdollMaine CoonBritish ShorthairSphynxBengal

Not sure how serious it is? Assess it with the symptom checker

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