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)
Symptoms can include chest pain, dizziness, shortness of breath, or fainting. HCM also can affect the heart's mitral valve, causing blood to leak backward through the valve. Sometimes, the thickened heart muscle doesn't block blood flow out of the left ventricle.This is called non-obstructive hypertrophic cardiomyopathy.ypertrophic cardiomyopathy (HCM) is very common and can affect people of any age. About one out of every 500 people has HCM. It affects men and women equally. HCM is a common cause of sudden cardiac arrest (SCA) in young people, including young athletes.