− | Often presence of a [[Heart Murmur|murmur]] on physical exam is the only clinical sign. Other clinical signs vary depending on the severity of the disease but will include exercise intolerance, dyspnea, weight loss, poor appetite and abdominal distension. | + | Often presence of a [[Heart Murmurs|murmur]] on physical exam is the only clinical sign. Other clinical signs vary depending on the severity of the disease but will include exercise intolerance, dyspnea, weight loss, poor appetite and abdominal distension. |