ⓘ Free online encyclopedia. Did you know? page 133




                                               

Excessive Daytime Sleepiness

Excessive daytime sleepiness is a medical condition where people often feel sleepy during the day, even though they had enough sleep at night. EDS occurs with many sleep disorders. It is a defining feature of some sleep disorders such as narcolep ...

                                               

Eye drop

An eye drop is a type of treatment and medicine for the eye. It is used to stop someones eye from hurting. It may also be used to cure eye infections.

                                               

Fluoxetine

Fluoxetine hydrochloride is an antidepressant medication. It is used as a drug against various illnesses, like depression, obsessive-compulsive disorder, Panic disorder, and other illnesses. Fluoxetine is a one of a group of antidepressants calle ...

                                               

Frontotemporal dementia

Frontotemporal dementia is the clinical presentation of frontotemporal lobar degeneration. It is characterized by progressive neuronal loss predominantly involving the frontal or temporal lobes, and typical loss of over 70% of spindle neurons, wh ...

                                               

Fugue state

A fugue state is a rare psychiatric disorder. It involves temporary loss of memory. It usually only lasts a short time, but can last months or longer. In a fugue state, the person not only forgets all about who they are, but may suddenly adopt a ...

                                               

Functional magnetic resonance imaging

Functional Magnetic Resonance Imaging is a special type of MRI that makes it possible to watch different areas of a persons brain while they do different tasks. A functional MRI shows the use of oxygen in different brain areas. The Deoxyhemoglobi ...

                                               

Gastric bypass surgery

Gastric bypass surgery is a surgery in which the stomach is divided and the gastrointestinal tract is redirected. The surgery is performed on people who have morbid obesity or have type 2 diabetes, high blood pressure or other weight-related heal ...

                                               

Gastrointestinal bleeding

Gastrointestinal bleeding, also known as gastrointestinal hemorrhage, is all forms of bleeding in the gastrointestinal tract, from the mouth to the rectum. When there is significant blood loss over a short time, symptoms may include vomiting red ...

                                               

Gastrointestinal cancer

Gastrointestinal cancer refers to malignant conditions of the gastrointestinal tract and accessory organs of digestion, including the esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus. The symptoms re ...

                                               

Generalized anxiety disorder

Generalized anxiety disorder is an anxiety disorder which consists of excessive and irrational worry of everyday things. This worry tends to interfere with normal daily functioning: people who have GAD anticipate disasters and theyre always conce ...

                                               

Generic drug

A generic drug is a drug that uses the same active ingredients than another drug, which is already on the market. This second drug often uses a brand name. The German company Bayer developed an analgesic based on acetylsalicylic acid in the late ...

                                               

Genogram

A genogram is a family tree with medical details, such as whether the person is male or female, and whether brothers and sisters are twins. Genograms help medics understand a person better.

                                               

Hadassah Medical Center

The Hadassah Medical Center is the largest hospital in Jerusalem. It is also one of the biggest medical centers in Israel. It was established in 1919 at 37 HaNeviim Street in Jerusalem. In 1939, it moved to a new campus in Mount Scopus. After 194 ...

                                               

Hematology

Hematology, also spelled as haematology, is the branch of medicine about the study of the cause, diagnoses, treatment, and prevention of diseases related to blood. It involves treating diseases that affect the production of blood, such as blood c ...

                                               

Hematopoiesis

Hematopoiesis is the formation of blood cells. In a healthy adult person, about 10 11 –10 12 new blood cells are produced daily to keep steady state levels in the blood circulation. Hematopoietic stem cells HSCs or hemocytoblasts are the stem cel ...

                                               

Hemostasis

Hemostasis or haemostasis is a process to prevent and stop bleeding, meaning to keep blood within a damaged blood vessel. It is the first stage of wound healing. This involves coagulation, blood changing from a liquid to a gel. Intact blood vesse ...

                                               

Hospital

A hospital is a place where a person goes to be healed when he or she is sick or injured. The difference between a hospital and other healthcare places like a clinic or a doctors office is that a hospital will have beds where patients can stay ov ...

                                               

Hypersexuality

Hypersexuality is known as nymphomania when in females and satyriasis when in males. It is a stronger than usual urge to have sexual intercourse. Masturbation causes euphoria. It is caused by some stimulant drugs, such as amphetamine. It is also ...

                                               

Hysterectomy

A hysterectomy is surgery to remove the womb. This is usually done by a gynecologist. Women who undergo a hysterectomy can no longer bear children. Hysterectomies are done for certain forms of cancer of the reproductive system, or tumors. A woman ...

                                               

Ibuprofen

Ibuprofen is a non-steroidal anti-inflammatory drug created by British chemist Stewart Adams. It is used to stop pain, help reduce fevers, relieve arthritis pain, and acts as an inflammatory part. Ibuprofen is used to relieve pain from various co ...

                                               

Idiopathic pulmonary fibrosis

Idiopathic pulmonary fibrosis is a chronic irreversible and fatal disease caused by a progressive decline in lung function. The term pulmonary fibrosis means scarring of lung tissue and is the cause of worsening dyspnea shortness of breath. Fibro ...

                                               

Injection

An injection is putting liquid into the body, usually with a needle and a syringe. There are many different kinds of injections, such as: Intraosseous into a bone Intradermal just under the top layer of the skin Subcutaneous into the fat layer un ...

                                               

Kidney stone disease

Kidney stone disease, also known as urolithiasis, is when a solid piece of material happens in the urinary tract. Kidney stones typically form in the kidney and leave the body during urination. A small stone may pass without causing symptoms. I f ...

                                               

Leiomyosarcoma

Leiomyosarcoma, also referred to as LMS, is a malignant smooth muscle tumor. It is a benign tumor originating from the same tissue called leiomyoma. It has been believed that leiomyosarcomas do not arise from leiomyomas. About 1 in 100.000 people ...

                                               

Lung transplant

A lung transplant is a type of surgery. People who can not breathe without additional oxygen may need a lung transplant. In this surgery, the patients ill lung or lungs are removed. A healthy lung or lungs are put into the patient. The healthy lu ...

                                               

Lymphoma

Lymphoma is a cancer of the lymphatic system. There are many types of lymphoma, including Hodgkins lymphoma, non-Hodgkin lymphoma, primary central nervous system lymphoma, the B-cell lymphoma, and the hepatosplenic lymphoma.

                                               

Male breast cancer

Male breast cancer is a rare cancer in males that originates from the breast. Many males with breast cancer have got it through a BRCA mutation, but there are other causes, including alcohol abuse and exposure to certain hormones and ionizing rad ...

                                               

Mantoux test

The Mantoux test is a test developed to detect tuberculosis. In the year 1890, Robert Koch developed tuberculin, as a treatment for tuberculosis. The substance proved ineffective to treat the disease, today it is commonly used to detect it, thoug ...

                                               

Medical ultrasonography

Diagnostic ultrasonography is the use of ultrasound to visualize hidden body structures. This medical imaging technique is used to display muscles, tendons, and other internal organs. It makes it easier to assess damage done to these structures. ...

                                               

Medicare (United States)

Medicare is a national health insurance program in the United States. It began in 1965 under the Social Security Administration by Lyndon B. Johnson and now administered by the Centers for Medicare and Medicaid Services. It gives health care insu ...

                                               

Melancholia

Melancholia is a mental illness. A person with melancholia has intense or long-lasting feelings of sadness, for no clear reason. In the 20th century, the term "melancholia" was mostly replaced by "depression".

                                               

Meningitis

Meningitis is an infection of certain membranes and tissues of the nervous system. Those are called meninges. Their function is to protect the central nervous system. Most often, this infection is caused by microorganisms, like viruses, bacteria, ...

                                               

Meningococcal disease

Meningococcal disease, also called meningococcal meningitis, is infections caused by the bacterium meningococcus. If left untreated, the death rate is high. However, it can be prevented by vaccines. The disease is best-known for causing meningiti ...

                                               

Mental breakdown

Mental breakdown is a non-medical term used to describe an acute, temporary, short phase of a disorder with features of depression or anxiety.

                                               

Merkel-cell carcinoma

Merkel-cell carcinoma is a rare and aggressive skin cancer happening in about 3 per 1.000.000 population. It is also known as cutaneous APUDoma, primary neuroendocrine carcinoma of the skin, primary small cell carcinoma of the skin, and trabecula ...

                                               

Methylphenidate

Methylphenidate is a drug which is similar to amphetamine. Its name is often shortened to MPH but is better known by the brand name of Ritalin. MPH stimulates the central nervous system. It does this by increasing dopamine transmission in the bra ...

                                               

Misophonia

Misophonia is a rarely diagnosed mental disorder. It is a condition where certain sounds can cause someone to be angry or enraged. The sounds could be as simple as someone chewing food with their mouth open. Other examples include a ballpoint pen ...

                                               

Mitochondrial DNA depletion syndrome

Mitochondrial DNA depletion syndrome is any of a group of autosomal recessive disorders that cause a significant drop in mitochondrial DNA in affected tissues. Symptoms can be any combination of myopathic, hepatopathic, or encephalomyopathic. The ...

                                               

Morphine

Morphine fin") is a strong opiate pain killer drug. It is the principal active agent in opium and the prototypical opiate. Like other opioids, e.g. diacetylmorphine, morphine acts directly on the central nervous system to relieve pain, and at syn ...

                                               

Multiple organ dysfunction syndrome

Multiple organ dysfunction syndrome, previously known as multiple organ failure, Total organ failure or multisystem organ failure, is when the organ function is acutely ill and the patient is required medical intervention to achieve homeostasis. ...

                                               

Myopathy

Myopathy is a disease of the muscle in which the muscle fibers do not function properly. This results in muscular weakness. "Myopathy" simply means muscle disease Greek myo- "muscle" + patheia < -pathy "suffering". This meaning implies that th ...

                                               

Naltrexone

Naltrexone is an opioid receptor antagonist. It is often used to help alcohol dependence and opioid dependence. It is different from the drug naloxone. Naloxone is used in emergency cases of overdose. Naltrexone is for longer-term control of depe ...

                                               

Nasopharyngeal carcinoma

Nasopharynx cancer or nasopharyngeal carcinoma is the most common cancer which is formed in the nasopharynx, most commonly in the postero-lateral nasopharynx or pharyngeal recess or Fossa of Rosenmuller accounting for 50% cases. NPC happens in ch ...

                                               

Needle aspiration biopsy

Needle aspiration biopsy, also known as fine needle aspiration cytology, fine needle aspiration biopsy and fine needle aspiration, is a medical procedure performed to diagnose certain kinds of medical conditions, such as lumps in the neck. A thin ...

                                               

Nephritis

Nephritis is inflammation of the kidneys. It may involve the glomeruli, tubules, or interstitial tissue surrounding the glomeruli and tubules. Nephritis is often caused by infections, and toxins, but is most commonly caused by autoimmune disorder ...

                                               

Netley Hospital

Netley Hospital or The Royal Victoria Hospital at Netley was finished on 19 May 1856. The plans for its building began in 1853, at the start of the Crimean War. The Medical Department of the army was totally unprepared for the very large number o ...

                                               

Neurodegeneration

Neurodegeneration is the progressive loss of structure or function of neurons, including death of neurons. Many neurodegenerative diseases – including amyotrophic lateral sclerosis, Parkinsons disease, Alzheimers disease, and Huntingtons disease. ...

                                               

Neurology

Neurology is the branch of doctors that deals with the disorders of the nervous system. Neurology is about the medical diagnosis and treatment of conditions and illnesses of the nervous system. This can include both the physical condition of the ...

                                               

Neurosis

Neurosis is a class of mental disorders involving distress but not delusions or hallucinations. The persons behavior is not outside socially acceptable norms. It is also known as psychoneurosis or neurotic disorder, and those suffering from it ar ...

                                               

Nurse

A nurse is a person who is trained to give care to people who are sick or injured. Nurses work with doctors and other health care workers to make patients well and to keep them fit and healthy. Nurses also help with end-of-life needs and assist o ...