T-T, a novel electrocardiographic marker in cats with hypertrophic cardiomyopathy-a brief communication.

Hypertrophic cardiomyopathy (HCM) is the most common heart disease in feline species. ECG allows assessing parameters that can help in the diagnosis and risk stratification of conditions that occur secondary to this disease. This study aimed to evaluate electrocardiographic markers Tpte and Tpte/QT in leads I, II, III, aVR, aVL and aVF in control and HCM cats.