(to rule out underlying disease, such as hyperthyroidism)
Auscultation of the chest (listening to the heart with a stethoscope to detect murmurs)
Have an ultrasound (echocardiography) performed ...if possible by a veterinarian Board Certified in this field. (this MUST be performed to diagnose HCM)
**The MCBFA (Maine Coon Breeders & Fanciers Association) has a wonderful site with "HCM screening guidelines for breeders" WWW.MCBFA.org
