eMedTV Conditions & Diseases A-Z
Neurosarcoidosis is a form of sarcoidosis that affects the brain or central nervous system. This page from the eMedTV archives provides a detailed description of neurosarcoidosis, including information on its symptoms, diagnosis, and treatment.
Non-small cell lung cancer is the more common of the two general types of lung cancer. This section of the eMedTV library discusses the specific types of non-small cell lung cancer and provides information about tests used to diagnose the disease.
As this eMedTV article explains, nonepileptic seizures look like epileptic seizures, but they do not cause the brain activity associated with epileptic seizures. This page highlights the conditions (such as narcolepsy) that may cause these seizures.
Types of nonmelanoma skin cancer include basal cell carcinoma and squamous cell carcinoma. As this eMedTV article explains, treatment includes laser surgery and cryosurgery. It also explains the importance of follow-up exams after treatment.
As this eMedTV segment explains, normal pressure hydrocephalus is a condition in which a buildup of cerebrospinal fluid puts pressure on the brain. This article explains this condition in detail, including information on its diagnosis and treatment.
Norovirus gastroenteritis ("stomach flu") is a contagious illness that can cause diarrhea and vomiting. This eMedTV article discusses norovirus gastroenteritis in more detail, including information about how it is transmitted, treated, and prevented.
Norwegian scabies is a more severe form of the skin infestation cause by the mite Sarcoptes scabiei. This eMedTV Web page explains who usually gets the disease, how it is spread, possible symptoms, and treatment options.
When trying to determine your options for getting obesity help, you should start by talking to your doctor. This eMedTV page takes an in-depth look at when it may be time to lose weight and offers tips on what to look for in a weight-loss program.
This eMedTV article explains obsessive-compulsive disorder -- a condition in which people constantly feel the need to engage in rituals, such as frequent hand-washing and cleaning. Symptoms and treatment options for the condition are also discussed.
As this eMedTV page explains, OCD is a chronic, relapsing illness in which a person is constantly bombarded with unwanted obsessions and compulsions. This page explains the condition in detail, including causes, symptoms, and available treatments.
Ocular myasthenia gravis is a type of myasthenia gravis that only affects the eyes and eyelid movement. This eMedTV segment provides an overview of this condition, including information on its symptoms, causes, and treatment options.
This eMedTV article takes an in-depth look at ocular rosacea, a skin condition that can be treated with antibiotics and proper eyelid hygiene. Possible causes, a list of common symptoms, and other treatment options are also discussed.
As this eMedTV article explains, open angle glaucoma (the most common type of glaucoma) is one of the leading causes of blindness in the United States. This Web page covers open angle glaucoma and its symptoms, risk factors, and treatment options.
This eMedTV page describes orbital cellulitis, which is an infection that can lead to permanent vision problems. The bacteria that cause the condition in adults and children are described, as are symptoms, risk factors, complications, and treatment.
Osteoarthritis is a common joint disease in which cartilage has worn away. This eMedTV article provides detailed information about osteoarthritis, including its common symptoms, how many people it affects, and how it can be treated and prevented.
Osteogenesis imperfecta is a bone disease characterized by bones that break easily. This eMedTV resource provides an overview of osteogenesis imperfecta and its causes, symptoms, and treatment options.
Osteopenia is not the same as osteoporosis, although both are characterized by decreased bone density. This eMedTV Web page explains the difference between osteopenia and osteoporosis, which is largely determined by a bone density test.
Although bone loss is a natural part of aging, when it occurs too quickly, it is called osteoporosis. This eMedTV health channel contains a range of articles on the topic, including symptoms and preventive measures, as well as bone density testing.
As this eMedTV article explains, osteoporosis is a disease in which bone is lost faster than it is replaced. It often results in brittle bones that are easily fractured. This part of the eMedTV library provides a general overview of osteoporosis.
Osteosarcoma is a form of bone cancer that most often affects children and young adults. This eMedTV segment offers an overview of osteosarcoma, including information about its symptoms, diagnosis, and treatment.
Common causes of otitis media (ear infection) are bacteria or viruses that get inside the ear. This part of the eMedTV Web site explains the risk factors and causes of otitis media, as well as what happens inside the ear during an infection.
Ovarian cancer occurs when malignant (cancerous) cells develop in the ovaries. This segment of the eMedTV Web site provides a wealth of information on ovarian cancer, covering all aspects of the disease, from symptoms to treatment options and more.
Ovarian cancer, the fourth-leading cause of death in women, occurs when malignant cells grow in the ovaries. This eMedTV article provides an in-depth look at the condition, including symptoms, treatment options, prognosis, and more.
This eMedTV resource offers a detailed look at ovarian epithelial cancer (a disease in which cancer cells form in the tissue covering the ovary). It also explains possible symptoms, treatment options, and factors that affect a woman's prognosis.
This eMedTV resource offers a detailed discussion of ovarian germ cell cancer (a disease in which malignant cells form in the germ cells of the ovary). It explores possible symptoms, treatment options, and factors that affect a woman's prognosis.
Urge incontinence is also known as overactive bladder. This eMedTV article discusses overactive bladder in detail and links to other articles about urinary incontinence.
Paget's disease of the nipple is a rare form of breast cancer that is located in or around the nipple. This eMedTV resource explains Paget's disease of the nipple and includes information about symptoms, diagnostic methods, and treatment options.
Pancreatic cancer is a serious disease in which cancerous cells first develop in the pancreas. This eMedTV article provides an overview of pancreatic cancer, including information about its symptoms and a discussion of its diagnosis and treatment.
As this eMedTV resource explains, pancreatic islet cell cancer is a disease in which cancer cells form in the hormone-producing areas of the pancreas. This article offers an in-depth look at pancreatic islet cell cancer and how it is treated.
Pancreatitis is an inflammation of the pancreas. As this eMedTV article explains, it comes in two forms: acute and chronic. This portion of the Web site provides detailed information on the causes, symptoms, diagnosis, and treatment of pancreatitis.
The 20th century has seen several instances of pandemic flu, which, as this eMedTV page explains, is due to a new virus subtype causing illness on a global scale. Several organizations are working on a preparedness plan for the next pandemic flu.
People who experience panic attacks often have chronic, sudden episodes of fear that appear without warning. This eMedTV segment discusses the condition (known as panic disorder) in detail, including common symptoms and available treatment options.
People with a panic disorder often experience sudden episodes of extreme fear for no reason. This portion of the eMedTV library provides important facts on the condition, such as symptoms that may occur and treatment options that are available.
Paranoid schizophrenia is the most prevalent form of schizophrenia. As discussed in this article from the eMedTV site, people with paranoid schizophrenia tend to experience severe delusions and auditory hallucinations based on paranoia.
Paroxysmal Atrial Fibrillation
Paroxysmal atrial fibrillation is a type of irregular heartbeat that occurs only occasionally. As this eMedTV segment explains, an episode of paroxysmal atrial fibrillation may last a few minutes, hours, or days.
People with PDD tend to have delayed development with regards to socialization and communication skills. This eMedTV article discusses PDD in detail, including the different types, symptoms, and techniques that can improve a person's outcome.
Pediatric Urinary Tract Infection
Each year, about 3 percent of children in the U.S. have a urinary tract infection. In children, as this eMedTV article explains, symptoms of a urinary tract infection may include unexplained fever, incontinence, and irritability.
Perianal cellulitis is a bacterial infection that occurs around the anal orifice. This eMedTV Web page discusses the causes and symptoms of perianal cellulitis, and provides information about diagnosis and treatment of the infection.
Periodic Limb Movement Disorder
As explained in this eMedTV article, periodic limb movement disorder (PLMD) is an illness characterized by involuntary leg twitching or jerking during sleep. This article discusses PLMD and its causes, symptoms, and treatment options.
Periorbital cellulitis is a bacterial infection that occurs around the eyelid. This section of the eMedTV library provides information about the symptoms of periorbital cellulitis and discusses diagnosis and treatment of this infection.
How does pertussis get into the body? As this eMedTV resource explains, pertussis is transmitted through contact with an infected person's respiratory secretions, which are most often transmitted when the infected person sneezes or coughs.
Pervasive Developmental Disorder
This eMedTV article describes pervasive developmental disorder, which involves delays in the development of social and communication skills. This article lists the types and treatments, and explains the importance of early intervention.
As this eMedTV article explains, many people believe pet allergies are triggered by the fur of cats and dogs. However, the major pet allergens are actually proteins in the saliva of animals. This part of the Web site discusses pet allergy in detail.
Peyronie's disease involves a plaque that develops on the penis in the layers containing erectile tissue. This eMedTV resource explains how pain and lack of flexibility associated with Peyronie's disease can affect sexual intercourse.
A pheochromocytoma is a tumor that most often develops in the chromaffin cells of the adrenal glands. This eMedTV article offers an overview of pheochromocytomas, including information about symptoms they may cause and treatment for the tumors.
Different types of phobias include social, specific, and agoraphobia. As this eMedTV page explains, the three conditions are defined differently, but share the common trait of irrational, severe fear of certain objects, activities, or situations.
Piriformis syndrome is caused when the muscle with the same name compresses or irritates the sciatic nerve. This eMedTV article describes the symptoms and treatment options for this condition, which is a rare neuromuscular disorder.
A pituitary adenoma is a non-cancerous tumor affecting the pituitary gland. This eMedTV article explains how a pituitary adenoma is diagnosed, the different types, and treatment methods available.
A pituitary macroadenoma is a tumor of the pituitary gland that is more than 10 mm in size. This eMedTV article offers an overview of such tumors, including information about symptoms of pituitary macroadenomas and treatment options for them.
A pituitary microadenoma is a tumor in the pituitary gland that is less than 10 mm in size. This eMedTV segment describes different types of pituitary microadenomas and explains how they are diagnosed and treated.
A pituitary tumor is a growth that develops in the pituitary gland. As this eMedTV resource explains, most pituitary tumors are not cancerous. This article explains how a pituitary tumor is classified, diagnosed, and treated.
Placenta accreta, as this eMedTV article explains, is a serious condition in which the placenta becomes too firmly attached to the walls of the uterus. In some cases, a hysterectomy is needed to repair placenta accreta.
Placenta previa is a condition characterized by the placenta either partially or totally blocking the opening in the cervix. This eMedTV resource provides an in-depth look at placenta previa and explains the risk it poses for a safe vaginal delivery.
Placental abruption, as this eMedTV article explains, occurs when the placenta becomes detached from the uterus too early. If this happens, cesarean delivery is usually recommended because of the serious risk posed to the mother and the baby.