3. The right ventricle then pumps blood through the pulmonary artery into the lungs. 4. In the lungs, tiny blood vessels called capillaries absorb carbon diox-ide from the blood and replace it with oxygen. 5. Oxygenated blood then flows through the pulmonary vein and into the left atrium. 6.
Summary of Life-threatening constipation .. An 80-year-old woman presented to the emergency department with sudden onset abdominal pain and vomiting. Her abdomen was soft with umbilical tenderness.
Poor diet and lack of exercise are usually the causes of short-term constipation. In most of these cases, constipation is temporary and not serious. Chronic, long-term constipation may occur from disorders such as Irritable Bowel Syndrome. Understanding the causes, prevention, and treatment of constipation will help most people find relief.