Hypotonia, Benign Congenital Causes, Symptoms and Treatment and Related Disorders ...
Hypotonia
Alternate Names : Decreased muscle tone, Floppy infant
Definition ...
Hypotonia, Benign Congenital
National Organization for Rare Disorders, Inc.
Synonyms ...
NINDS Hypotonia Information Page
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Hypotonia is decreased muscle tone.
Considerations
Hypotonia is often a sign of a worrisome problem. It may be a sign of a central nervous system problem, genetic disorder, or muscle disorder.
Hypotonia Treatment
Review Date: 11/09/2007
Reviewed By: Deirdre O’Reilly, M.D., M.P.H., Neonatologist, Division of Newborn Medicine, Children’s Hospital Boston and Instructor in Pediatrics, Harvard Medical School, Boston, Massachusetts.
Hypotonia is often a sign of a worrisome problem. The condition can affect children or adults.
Hypotonia is not a condition in itself. It is a symptom of another underlying condition.
There are two main types of hypotonia: ...
Hypotonia means decreased muscle tone. It can be a condition on its own, called benign congenital hypotonia, or it can be indicative of another problem where there is progressive loss of muscle tone, such as muscular dystrophy or cerebral palsy.
HypotoniaFloppiness. Image Guided Radiotherapy (IGRT) IGRT is a new way of using scans during radiotherapy treatment. Doctors hope this way of giving treatment may help radiotherapy to work as well as possible and will reduce side effects.
hypotonia
hap tni noun reduced tone of the skeletal muscles
hypotonic ...
Hypotonia
Abnormally decreased tonicity, tension or strength; ocular hypotony refers to low intraocular pressure.
Palate
Hard and soft tissue forming the roof of the mouth.
Hypotonia: decreased or low muscle tone
Incidence: the rate at which a certain event occurs or the number of new cases of a specific condition occurring at a certain time ...
Hypotonia: Decreased tone of skeletal muscles. In a word, floppiness. Hypotonia is a common finding in cerebral palsy and other neuromuscular disorders. Untreated hypotonia can lead to hip dislocation and other problems.
Hypotonia
Reviewed last on: 5/22/2007
Brian Kirmse, MD, Department of Human Genetics, Mount Sinai School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.
Hypotonia, obesity, and prominent incisors
Norio syndrome
obesity-hypotonia syndrome
Pepper syndrome
prominent incisors-obesity-hypotonia syndrome ...
Hypotonia may affect the muscles of the digestive system, in which case constipation may be a problem.
Hypotonia
Other congenital*
Cysts of nontubular origin (includes glomerular, subcapsular, and pyelocalyceal cysts) ...
Muscle hypotonia, low muscle tone
Flat facial features, a somewhat depressed nasal bridge and a small nose
Upward slanted eyes, small skin folds on the inner corner of the eyes
Short neck
Misshaped ears
White spots on the colored part of the eye ...
- axial hypotonia with peripheral hypertonia
- muscle wasting
- secondary feeding problems ...
Hypotonic, Hypotonia, Hypotonicity - A decreased tension in muscle tone, essentially an underdeveloped muscle. A lack of muscle tone inhibits proper movement because the muscle is too soft to support the body.
Hypertonia or hypotonia
High-pitched cry
Small head circumference
Treatment ...
2p21 deletion syndrome: This syndrome is a more severe form hypotonia-cystinuria syndrome as a larger portion of genetic material from chromosome 2p21 is deleted.
The infantile form of Pompe disease starts before the age of 3 months with major hypotonia, sucking and swallowing difficulties, hypertrophic cardiomyopathy and progressive hepatomegaly.
", "hormone ", "xanthoderma ", "xanthopsia ", "hydrocoele ", "hydrops ", "hyperactivity ", "hyperalgesia ", "hypercalciuria ", "hypercholesterolaemia ", "hyperaemia ", "hyperplasia ", "hypnosis ", "hypotension ", "hypothermia ", "hypotonia ", ...
Clinical manifestations include hypotonia, short stature, brachycephaly, upslanting palpebral fissures, epicanthus, Brushfield spots on the iris, protruding tongue, small ears, short, broad hands, fifth finger clinodactyly, Simian crease, ...
GHB induces "remarkable hypotonia" (muscle relaxation) [Vickers, 1969] and is now gaining popularity in France and Italy as an aid to childbirth.
Due to hypotonia, severely reduced motor development, and other abnormalities, affected children very rarely develop any ability to walk and when they do, it is with shuffling gait.
Symptoms affect multiple systems of the body and may include changes to metabolism, motor delays, hypotonia (reduced muscle tone), delayed growth, cardiomyopathy (leading to a poorly functioning heart), weakened immune system, chronic fatigue, ...
A classical feature of babies with Prader-Willi syndrome is poor muscle tone (hypotonia). Hypotonic babies rest with their elbows and knees loosely extended instead of fixed and feel floppy or like "rag-dolls" when they're held.
Hypotonia, means low tone, is most often diagnosed during infancy, it is also known as floppy infant syndrome or infantile hypotonia.
The motor development of infants is delayed due to hypotonia (low muscle tone) and their physical differences (large heads and small bones). The motor development of children with achondroplasia eventually catches up with that of their peers.
Among the more common physical features are hypotonia (floppiness), small head with brachycephaly, epicanthic folds across the inside corners of the eyes, upward outward slanting palpebral fissures (eye slits), Brushfield spots in the iris, ...
Down syndrome is usually diagnosed at birth on the basis of the typical facial features, hypotonia, and single palmar crease. Down syndrome is the most common chromosomal disorder. An estimated 1 in 800 infants are born with Down syndrome.
The baby exhibits some decrease in muscle tone (hypotonia). Because of the large head, especially compared to rest of the body, and the decreased muscle tone, ...
A condition in children with floppiness (hypotonia), obesity, small hands and feet and mental retardation. It is due to loss of part or all of chromosome 15, specifcally the chromosome 15 from the father.
Neonatal or congenital hypotonia is fairly common and causal factors include infections, effects of drugs, brain hemorrhage, or chromosomal or cerebral pathologies.
Adult onset spinal muscular atrophy, Autosomal recessive disorder, chronic SMA, hypotonia, infantile-onset SMA, intermediate SMA, juvenile SMA, Kugelberg-Welander disease, mild SMA, muscle weakness, muscular dystrophy, progressive muscle degeneration, ...
the disorder in an individual patient, all of which include macrocephaly and a number of the following: somatic overgrowth, cutis marmorata, midline facial birthmark, polydactyly/syndactyly, asymmetry (hemihyperplasia or hemihypertrophy), hypotonia ...
Agyria manifests clinically with severe mental retardation, microcephaly, hypotonia and refractory seizures with an early onset in the first year of life. MR shows a smooth brain surface with thickening of the Cerebral: Relating to the brain.
Low muscle tone, or stiff muscles -Low muscle tone (hypotonia) may show up as difficultly holding the head up or keeping the trunk of the body steady. The stiff muscles may first appear as "scissoring" of the legs in infancy.
Signs include muscle weakness, hypotonia (poor muscle tone) and joint contractures.
Some improvement occurs in childhood and the disease shows little or no progression.
Both parents probably carry the defective gene.
A child with Down syndrome may have weak muscle tone (hypotonia). He or she may also have ligaments that are too loose (ligament laxity). This leads to excessive joint flexibility. Associated findings include: ...
A lack of muscle tone (hypotonia)
Abnormally flexible joints
Unusual looking ears
A crease across the palm, called a transverse palmar crease (picture 2)
A wide gap between the first and second toes (sandal gap deformity) ...
Seizures
Brain degeneration and developmental delay
Hypotonia (Å"floppy� muscle tone)
Hypothermia
Osteoporosis
Failure-to-thrive ...
Many patients with RS also have scoliosis. With the progression of disease, muscle tone seems to change from hypotonia to spasticity to rigidity and subsequent wasting, resulting in many patients being wheelchair bound after 10 years.
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All individuals with Down syndrome have mild to moderate learning disabilities, distinctive facial features, and low muscle tone (hypotonia) in early infancy.
As listed above, mainly developmental delay, a tendency toward impaired intellect to some degree, hypotonia, and certain other physical characteristics.
In addition to observation of the symptoms described above, other findings may include increased or decreased muscle tone (hypertonia or hypotonia) or changes in reflexes.
The disorder is also called cat cry syndrome or chromosome deletion 5psyndrome. Individuals with this syndrome have unusual facial features, poor muscle tone (hypotonia), small head size (microcephaly), and mental retardation. A classic feature...
term encompassing lower MOTOR NEURON DISEASE; PERIPHERAL NERVOUS SYSTEM DISEASES; and certain MUSCULAR DISEASES. Manifestations include MUSCLE WEAKNESS; FASCICULATION; muscle ATROPHY; SPASM; MYOKYMIA; MUSCLE HYPERTONIA, myalgias, and MUSCLEHYPOTONIA.
The chorea tends especially to involve the distal limbs (the forearms and hands and the lower legs and feet) and is associated with hypotonia (decreased muscle tone) and emotional lability.
Hypothalamic Hamartoblastoma syndrome see Pallister-Hall syndrome
Hypothalamic Hamartoma
Hypothyroidism see Thyroid disorders
Hypotonia
Hypoxanthine Guanine Phosphoribosyl Transferase Deficiency see Lesch Nyhan syndrome ...
 See also: Symptom, Seizure, Deficiency, Seizures, Genetics
  
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