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Brain and Nerves
Microcephaly Definition Microcephaly is a neurodevelopmental disease characterized by significantly smaller-than-normal size of head of sufferers for their age and sex, on the basis of standardized charts .
Subclavian Steal Syndrome
Subclavian Steal Syndrome Definition Subclavian Steal Syndrome (SSS) refers to a vascular disorder, a rare form of periphery artery disease in which a blockage is present in a critical location within one of the Subclavian arteries which gives rise to problems involving the arm and the brain. In this condition, there is a ...
What is Spasmodic Torticollis? Spasmodic Torticollis (ST) is a chronic neurologic movement disorder that causes involuntary turning of the neck towards right, left, downwards and/or upwards. It is also accompanied by extremely painful sensations. During a dystonic movement, both the agonist as well as the antagonist musculature contracts simultaneously. The factors responsible ...
Chronic Inflammatory Demyelinating Polyneuropathy
What is Chronic Inflammatory Demyelinating Polyneuropathy? Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) is a type of acquired immune-mediated inflammatory condition affecting the peripheral nervous system. It is characterized by a progressive weakness as well as compromised sensory function in legs and arms. It occurs when the myelin sheath, a fatty covering that protects ...
Causes of Numbness and Tingling (Paresthesia) in Fingertips
What Does Numbness and Tingling Mean? Numbness means decreased or absent sensation in the skin; the medical terms are hypoesthesia and anesthesia. Tingling means weird feeling often described as "pins and needles" or "ants crawling;" the medical term is paraesthesia. Some people use the terms numbness and tingling interchangeably. Quick Symptom Checker One or more fingertips have SUDDENLY become WHITE, BLUE or BLACK, ...
What is Demyelinating Disease? It is a group of many nervous system conditions characterized by the damage of the myelin sheath that covers the nerves. The functioning of myelin includes conducting the impulses through the nerves. Hence, damage to the myelin sheath disrupts or completely halts conduction of brain signals in the ...
What is Photosensitive Epilepsy? Photosensitive epilepsy (PSE) is a kind of epilepsy that is characterized by seizures which are triggered by some kind of visual stimuli, such as a flickering or flashing lights, regular, bold patterns or patterns that are regular and moving. Patterns like checks or stripes can trigger seizures in ...
Autonomic Dysreflexia (AD) is one of the most severe injuries of the spinal cord conditions. Get detailed information about the disease, including its causes, symptoms, preventive methods and treatment options. Autonomic Dysreflexia Definition It is a dangerous spinal condition characterized by sudden increase in the blood pressure level due to over-activity of the ...
Blepharospasm is a typical ocular disorder that results in functional blindness in the absence of prompt treatment. Read on to find out about the causes, symptoms, diagnosis and treatment of this condition. Blepharospasm Definition The disorder is characterized by involuntary, forcible closure of the eyelids. A normal adult blinks at a rate of ...
Tetraplegia Definition Tetraplegia is a form of paralysis that is caused by some injury or illness and results in partial or complete loss of usage of torso and limbs. Generally both the sensory and motor nerves are affected, which means that one loses both sensation as well as control of that body ...
What is Pancreatitis? It is a condition that leads to swelling of the pancreas, a gland that can be found ...