1 For adult dogs or puppies older than 16 weeks, the intranasal vaccine can be given once, and the injectable vaccine should be given twice, two to four weeks apart.
Signs and symptoms of hypertrophic cardiomyopathy may include one or more of the following: 1  Shortness of breath, especially during exercise. 2  Chest pain, especially during exercise. 3  Fainting, especially during or just after exercise or exertion.  Sensation of rapid, fluttering or pounding heartbeats (palpitations)
The age at disease onset of HCM with MYH7 is earlier and leads to a more severe symptoms. Diagnosis. A diagnosis of hypertrophic cardiomyopathy is based upon a number of features of the disease process. While there is use of echocardiography, cardiac catheterization, or cardiac MRI in the diagnosis of the disease, other important considerations include ECG, genetic testing (although not primarily used for diagnosis), and any family history of HCM or unexplained sudden death in otherwise healthy individuals.