What is prazosin-oral, and how does it work (mechanism of action)? Prazosin (Minipress) is an oral medicine used to treat high blood pressure. Prazosin is a competitive alpha-1 adrenergic receptor blocker. By blocking alpha-1 receptors on muscle cesll that surround blood vessels, prazosin causes vasodilation (widening) of the blood vessels, and consequently decreases the resistance...
What is cirrhosis of the liver? Liver cirrhosis results from disease or chemical-induced injuries to the liver over a sustained period. As the injuries kill liver cells, your body attempts to rebuild the damage. In the process, the existing cells are inflamed and scar tissue results, compromising the structure of the liver and hampering its...
What is tinnitus? Tinnitus is not a condition in itself, but a symptom of some other condition that causes a high-pitched whine, a ringing, buzzing or clicking in the ears. It can come from any number of problems starting with the eardrum and cochlea – the organs that turn sound waves into electrical signals for...
What should I know about pelvic pain? Share Your Story The medical definition of pelvic pain is perceived pain in the pelvic area and the lower part of the abdomen located between the hip bones. Usually, the term pelvic pain is used to refer to pain in the reproductive organs (uterus, Fallopian tubes, ovaries, vagina)...
Gastroparesis definition and facts In gastroparesis, the muscles of the stomach stop working. Gastroparesis is a disease of the muscles of the stomach or the nerves controlling the muscles that causes the muscles to stop working. Gastroparesis results in inadequate grinding of food by the stomach, and poor emptying of food from the stomach into...
Erythropoietin (EPO) definition and facts Measuring blood levels of erythripoietin, a hormone involved in red blood cell production, can diagnose some medical conditions. Erythropoietin (EPO) is a hormone produced by the kidney. Erythropoietin promotes the formation of red blood cells by the bone marrow. The erythropoietin hormone level can be detected and measured in the...
What is autism? Share Your Story Autism can be diagnosed in babies, children, tweens, teens, and adults. Autism spectrum disorder (ASD) is a developmental disability that affects a person's behavior and impairs the ability to communicate and interact with others. Symptoms of autism spectrum disorder can range from mild to severe. The cause is unknown....
What is upper endoscopy? Readers Comments 2 Share Your Story Endoscopy is a procedure in which a camera is inserted into an orifice or surgical incision to explore for abnormalities or cancers, or perform minimally invasive surgery. Upper endoscopy is a procedure that enables the examiner (usually a gastroenterologist) to examine the esophagus (swallowing tube),...
Erythropoietin (EPO) definition and facts Measuring blood levels of erythripoietin, a hormone involved in red blood cell production, can diagnose some medical conditions. Erythropoietin (EPO) is a hormone produced by the kidney. Erythropoietin promotes the formation of red blood cells by the bone marrow. The erythropoietin hormone level can be detected and measured in the...
What is upper endoscopy? Readers Comments 2 Share Your Story Endoscopy is a procedure in which a camera is inserted into an orifice or surgical incision to explore for abnormalities or cancers, or perform minimally invasive surgery. Upper endoscopy is a procedure that enables the examiner (usually a gastroenterologist) to examine the esophagus (swallowing tube),...