Why is relying solely on a negative DNA test for HCM considered insufficient for comprehensive cardiac screening?

Answer

The DNA test does not screen for all genetic causes of HCM.

While a specific mutation associated with HCM can be tested for via DNA, this test does not cover every possible genetic cause of HCM, necessitating regular veterinary surveillance.

Why is relying solely on a negative DNA test for HCM considered insufficient for comprehensive cardiac screening?
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