Secondary epilepsy in dogs and cats. When the cause of seizures is a structural or chemical problem within the brain, the disease is said to be secondary. Secondary seizures are caused by hydrocephalus, brain cancer, brain infections, brain inflammation, toxins, aneurysms, and stroke damage.
You'll need to remove the baby's diaper to check his femoral pulse. Photo Credit Karin Dreyer/Blend Images/Getty Images. A routine examination of a newborn includes checking her femoral pulse, or feeling her heartbeat by pressing on the artery in her groin. This test may be the first sign of a serious circulatory problem, known as coarctation, or interruption of the thoracic aorta.
The Heart With Patent Ductus Arteriosus. The ductus arteriosus is a blood vessel that connects a baby's aorta and pulmonary artery while the baby is in the womb. This connection allows blood to be pumped from the right side of the heart straight to the aorta, without stopping at the lungs for oxygen.ffects of Patent Ductus Arteriosus. Full-term infants. A small PDA might not cause any problems, but a large PDA likely will cause problems. The larger a PDA is, the greater the amount of extra blood that passes through the lungs.