Leg weakness most commonly arises from nerve compression in the lower back. Hence, pain in the lower back region should not be ignored, especially if it is longstanding. The shooting pain, which travels from the lower back to the knee or the ankle, is because of the irritation of the nerves caused by compression.
Heart disease is a serious medical condition in dogs, cats and humans. Cats do not normally develop arteriosclerosis or coronary artery disease, which are both common diseases in humans. In general terms, heart disease can be divided into two categories, congenital and adult onset forms.
Truncus arteriosus is a congenital heart defect (the baby is born with it) in which there is only one main artery or large blood vessel that carries blood to the body and lungs, instead of two separate arteries. The condition occurs in the womb, while the fetusâs heart is still developing.everal factors may increase the risk of truncus arteriosus, including the following: 1  A family history of congenital heart problems. 2  Children with chromosomal disorders, velocardiofacial syndrome, or DiGeorgeâs syndrome may be at greater risk for developing truncus arteriosus.