Tuesday, February 14, 2012
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Myasthenia Gravis Learning Center

Symptoms could include:
Muscle weakness, including: Swallowing difficulty, frequent gagging, or choking; Paralysis; Muscles that function best after rest; Drooping head; Difficulty climbing stairs; Difficulty lifting objects; Need to use hands to rise from sitting positi...
Source:ADAM
Date:November 28, 2007
Myasthenia gravis is an autoimmune disease, meaning it is caused by the body's own immune system. In MG, the immune system attacks a receptor on the surface of muscle cells. This prevents the muscle from receiving the nerve impulses that normally ...
Source:Gale Encyclopedia of Genetic Disorders Part I
Myasthenia gravis is an autoimmune disease caused by abnormal antibodies carried in the blood stream. Nerves release a chemical called acetylcholine (ACh) that activates receptors on muscles to trigger contraction. The normal neuromuscular junctio...
Source:Gale Encyclopedia of Neurological Disorders
Myasthenia gravis is an autoimmune disease, meaning it is caused by the body's own immune system. In MG, the immune system attacks a receptor on the surface of muscle cells. This prevents the muscle from receiving the nerve impulses that normally ...
Source:Gale Encyclopedia of Medicine
Myasthenia gravis is an autoimmune disease, meaning it is caused by the body's own immune system. In MG, the immune system attacks a receptor on the surface of muscle cells. This prevents the muscle from receiving the nerve impulses that normally ...
Source:Gale Encyclopedia of Genetic Disorders Part II
Fatigue is a feeling of weariness, tiredness, or lack of energy.
Source:ADAM
Date:August 3, 2009
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
Source:Gale Encyclopedia of Alternative Medicine
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
Source:Gale Encyclopedia of Neurological Disorders
Fatigue is physical and/or mental exhaustion that can be triggered by stress , medication, overwork, or mental and physical illness or disease.
Source:Gale Encyclopedia of Medicine
Fatigue may be defined as a subjective state in which one feels tired or exhausted, and in which the capacity for normal work or activity is reduced. There is, however, no commonly accepted definition of fatigue when it is considered in the contex...
Source:Gale Encyclopedia of Mental Disorders
Fatigue is a feeling of exhaustion or loss of strength. The duration of fatigue for a patient with cancer has been found to last from one to two times the length of time between diagnosis and completion of treatment, so it is common for fatigue to...
Source:Gale Encyclopedia of Cancer
True muscle weakness means that full effort does not produce a normal muscle contraction or movement. A voluntary muscle contraction is generated when the brain sends a signal through the spinal cord and nerves to a muscle.
Source:Healthline
Date:September 30, 2007
Weakness is a reduction in the strength of one or more muscles.
Source:ADAM
Date:August 8, 2009
Being tired is the familiar aftermath of physical exertion, prolonged labor or lack of sleep. When does being tired become a symptom of a condition? Fatigue, malaise, lassitude, exhaustion are all subtle variations of the same subjective feelings of not having enough energy to meet the demands of one's life.
Source:Healthline
Date:September 30, 2007
Breathing difficulty involves a sensation of difficult or uncomfortable breathing or a feeling of not getting enough air. See also: Difficulty breathing - first aid
Source:ADAM
Date:June 12, 2009
Shortness of breath, or dyspnea, is a feeling of difficult or labored breathing that is out of proportion to the patient's level of physical activity. It is a symptom of a variety of different diseases or disorders and may be either acute or chronic.
Source:Gale Encyclopedia of Medicine
Hoarseness is having difficulty producing sound when trying to speak, or a change in the pitch or quality of the voice. The voice may sound weak, very breathy, scratchy, or husky.
Source:ADAM
Date:October 10, 2008
A voice disorder is an abnormality of one or more of the three characteristics of voice: pitch, intensity (loudness), and quality (resonance).
Source:Gale Encyclopedia of Nursing and Allied Health
Ptosis is also called "drooping eyelid." It is caused by weakness of the muscle responsible for raising the eyelid, damage to the nerves that control those muscles, or looseness of the skin of the upper eyelids.
Source:ADAM
Date:July 17, 2008
Ptosis is the term used for a drooping upper eyelid. Ptosis, also called blepharoptosis, can affect one or both eyes.
Source:Gale Encyclopedia of Medicine
Speech disorders refer to several conditions in which a person has difficulty communicating by mouth. See also: Speech impairment
Source:ADAM
Date:April 22, 2008
According to the American Speech-Language-Hearing Association (ASHA), a language disorder is an impairment in comprehension use of the spoken, written, or other symbol system.
Source:Gale Encyclopedia of Medicine
Speech disorders are characterized by a difficulty in producing normal speech patterns.
Source:Gale Encyclopedia of Children's Health
Treatment for the improvement or cure of communication disorders, including both speech problems and language disorders. Formerly referred to as speech therapy, the techniques, strategies, and interventions designed to improve or correct communica...
Source:Gale Encyclopedia of Childhood and Adolescence
Speech-language pathology is the treatment for the improvement or cure of communication disorders, including speech, language, and swallowing disorders. The term used to describe professionals in this discipline is speech and language pathologist ...
Source:Gale Encyclopedia of Mental Disorders
A speech disorder is a communication disorder characterized by an impaired ability to produce speech sounds or normal voice, or to speak fluently.
Source:Gale Encyclopedia of Nursing and Allied Health
Paralysis is defined as complete loss of strength in an affected limb or muscle group.
Source:Gale Encyclopedia of Medicine
Visual disturbances are abnormalities of sight. Visual disturbances associated with neurological disorders often include double vision (diplopia), moving or blurred vision due to nystagmus (involuntary rapid movements of the eyes), reduced visual ...
Source:Gale Encyclopedia of Neurological Disorders
Aphasia is condition characterized by either partial or total loss of the ability to communicate verbally or using written words. A person with aphasia may have difficulty speaking, reading, writing, recognizing the names of objects, or understand...
Source:Gale Encyclopedia of Medicine
Aphasia is a communication disorder that occurs after language has been developed, usually in adulthood. Not simply a speech disorder, aphasia can affect the ability to comprehend the speech of others, as well as the ability to read and write. In ...
Source:Gale Encyclopedia of Neurological Disorders
Aphasia is an impairment of spoken language understanding and expression associated with brain damage.
Source:Gale Encyclopedia of Nursing and Allied Health
A condition, caused by neurological damage or disease, in which a person's previous capacity to understand or express language is impaired. In aphasia, the ability to understand language and to translate thoughts into words has been impaired by in...
Source:Gale Encyclopedia of Childhood and Adolescence
Drooling is saliva flowing outside the mouth.
Source:ADAM
Date:February 6, 2008
Choking is when someone can't breathe because food, a toy, or other object is blocking the airway (throat or windpipe.
Source:ADAM
Date:July 8, 2009
Choking is a condition caused by inhalation of a foreign object that partially or fully blocks the airway.
Source:Gale Encyclopedia of Children's Health
Blockage of the throat or windpipe by an object. Choking is a major cause of death for children under three, and is a hazard for older children as well. Young children explore the world with their mouths, and they will naturally put in their mouth...
Source:Gale Encyclopedia of Childhood and Adolescence
Choking is the inability to breathe because the trachea is blocked, constricted, or swollen shut.
Source:Gale Encyclopedia of Medicine
Fever is the temporary increase in the body's temperature, in response to some disease or illness. A child has a fever when their temperature is at or above one of these levels: 100.4 F (38 C) measured in the bottom (rectally; 99.5 F(37.5 C) measu...
Source:ADAM
Date:December 1, 2009
Total blindness is the inability to tell light from dark, or the total inability to see. Visual impairment or low vision is a severe reduction in vision that can't be corrected with standard glasses or contact lenses and reduces a person's ability...
Source:Gale Encyclopedia of Medicine
Nystagmus refers to rapid involuntary movements of the eyes that may be: Side to side (horizontal nystagmus; Up and down (vertical nystagmus; Rotary. Depending on the cause, these movements may be in both eyes or in just one eye. The term "dancing...
Source:ADAM
Date:March 26, 2009
Breathing that slows down or stops from any cause is called apnea.
Source:ADAM
Date:January 16, 2009
Hazy vision, cloudy vision, blurred vision are all problems with seeing clearly. Any change in your normal vision is cause for concern and is a good reason to call a doctor for an examination.
Source:Healthline
Date:September 30, 2007
Rhythmic, oscillating motions of the eyes are called nystagmus. The to-and-fro motion is generally involuntary. Vertical nystagmus occurs much less frequently than horizontal nystagmus and is often, but not necessarily, a sign of serious brain dam...
Source:Gale Encyclopedia of Medicine
Nystagmus is a condition in which there is involuntary and rhythmic movement or oscillation of the eye. It is often caused by an underlying ocular or neurological disorder.
Source:Gale Encyclopedia of Children's Health
Dysarthria is a speech diagnostic term that can be used to classify various types of neuromuscular speech disturbances. Dysarthria results from notable degrees of one or more abnormalities involving speech musculature, including weakness, paralysi...
Source:Gale Encyclopedia of Neurological Disorders
Dysarthria is a group of speech impairments due to weakness, incoordination, spasticity, rigidity, or irregular movements caused by damage to the nervous system.
Source:Gale Encyclopedia of Nursing and Allied Health
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