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Health Illustrated Encyclopedia Multimedia Labyrinthitis 08/31/2011
Bacterial labyrinthitis; Serous labyrinthitis; Neuronitis - vestibular; Vestibular neuronitis; Viral neurolabyrinthitis; Vestibular neuritis Causes, incidence, and risk factors: There are many causes of labyrinthitis. In rare cases, it occurs after an ear infection ( otitis media ) or an upper respiratory infection . It may also occur after an allergy , cholesteatoma , or taking certain drugs that are dangerous to the inner ear.
Health Illustrated Encyclopedia Multimedia Lacrimal gland tumor 09/14/2011
A lacrimal gland tumor is a tumor in the glands that produce tears. These glands are located under the outer part of each eyebrow. Lacrimal gland tumors can be harmless ( benign ) or cancerous ( malignant ). About half of lacrimal gland tumors are benign. Causes, incidence, and risk factors: Symptoms: Double vision Fullness in one eyelid or the side of the face Pain Signs and tests: You may first be examined by an eye doctor (ophthalmologist).
Health Illustrated Encyclopedia Multimedia Lactic acidosis 10/14/2012
Lactic acidosis is when lactic acid builds ups in the bloodstream faster than it can be removed. Lactic acid is produced when oxygen levels in the body drop. Causes, incidence, and risk factors: The most common cause of lactic acidosis is intense exercise. However, it can also be caused by certain diseases, such as: AIDS Cancer Kidney failure Respiratory failure Sepsis A common medicine used to treat diabetes called metformin can also cause lactic acidosis.
Health Illustrated Encyclopedia Multimedia Lactose intolerance 08/10/2012
Lactase deficiency; Milk intolerance; Disaccharidase deficiency; Dairy product intolerance Causes, incidence, and risk factors: Babies' bodies make the lactase enzyme so they can digest milk, including breast milk.
Health Illustrated Encyclopedia Multimedia Lambert-Eaton syndrome 08/28/2012
Myasthenic syndrome; Eaton-Lambert syndrome; Lambert-Eaton myasthenic syndrome; LEMS Causes, incidence, and risk factors: Lambert-Eaton syndrome is an autoimmune system. This means your immune system mistakenly targets healthy cells and tissues in the body. In this syndrome, substances produced by the immune system attack nerve cells.
Health Illustrated Encyclopedia Multimedia Lamellar ichthyosis 11/20/2012
Lamellar ichthyosis is a rare skin condition. It appears at birth and continues throughout life. Causes, incidence, and risk factors: Lamellar ichthyosis is passed down through families (inherited). Both parents must have at least one abnormal gene to pass the condition to their children. Symptoms: A baby with this condition is born with a shiny, waxy layer of skin called a collodian membrane. The membrane sheds within the first 2 weeks of life. The underneath is red as scaly skin remains underneath.
Health Illustrated Encyclopedia Multimedia Language disorder - children 06/12/2012
Language disorder in children refers to problems with either: Getting their meaning or message across to others (expressive language disorder), or Understanding the message coming from others (receptive language disorder) Some children only have an expressive language disorder. Others have a mixed receptive-expressive language disorder, meaning that they have symptoms of both conditions. Children with language disorders are able to produce sounds, and their speech can be understood.
Health Illustrated Encyclopedia Multimedia Laryngeal nerve damage 11/09/2012
Vocal cord paralysis Causes, incidence, and risk factors: Injury to the laryngeal nerves is uncommon. It it does occur, it can be from: A complication of neck or chest surgery (especially thyroid, lung, heart surgery, or cervical spine surgery) A breathing tube in the windpipe (endotracheal tube) A viral infection that affects the nerves Tumors in the neck or upper chest, such as thyroid or lung cancer Symptoms: Difficulty speaking Difficulty swallowing Hoarseness Injury to the left and right laryngeal nerves at the same time can be an urgent situation that can lead to difficulty breathing.
Health Illustrated Encyclopedia Multimedia Laryngitis 11/10/2012
Hoarseness Causes, incidence, and risk factors: The voice box (larynx) is located at the top of the airway to the lungs (trachea). The larynx contains the vocal cords. When the vocal cords become inflamed or infected, they swell. This can cause hoarseness. Sometimes the airway can get blocked. The most common form of laryngitis is an infection caused by a virus, such as cold or flu viruses.
Health Illustrated Encyclopedia Multimedia Legg-Calve-Perthes disease 08/13/2011
Coxa plana; Perthes disease Causes, incidence, and risk factors: Legg-Calve-Perthes disease usually occurs in boys 4 - 10 years old. There are many theories about the cause of this disease, but little is actually known. Without enough blood to the area, the bone dies. The ball of the hip will collapse and become flat.
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