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 the brain to interpret as...
Is There a Cure for Cirrhosis of the Liver? Stages & Treatment
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 function. Your liver may become...
Early Signs and Symptoms of Autism
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. Autism spectrum disorder refers to...
Endoscopy Procedure Risks, Preparation, Pain, and Results
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), stomach, and duodenum (first portion...
What Is Erythropoietin (EPO)? Test, Definition & Side Effects
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 blood (the EPO test). Measurement...
Endoscopy Procedure Risks, Preparation, Pain, and Results
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), stomach, and duodenum (first portion...
Early Signs and Symptoms of Autism
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. Autism spectrum disorder refers to...
What Is Erythropoietin (EPO)? Test, Definition & Side Effects
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 blood (the EPO test). Measurement...
What Is Gastroparesis? Diet, Causes, Symptoms & Treatment
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 the intestine. The primary symptoms...
labetalol Side Effects, Dosage & Pregnancy Safety
What is labetalol, and how does it work (mechanism of action)? Labetalol is a drug used for treating high blood pressure and is related to carvedilol (Coreg). Nerves from the adrenergic nervous system travel from the spinal cord to arteries where they release norepinephrine. Norepinephrine attaches to adrenergic receptors on arteries and causes the arteries to contract, narrowing the arteries,...