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Items: 15

1.

Maple syrup urine disease

Maple syrup urine disease (MSUD) is classified as classic or intermediate. Twelve hours after birth, untreated neonates with classic MSUD have a maple syrup odor in cerumen; by 12-24 hours, elevated plasma concentrations of branched-chain amino acids (BCAAs) (leucine, isoleucine, and valine) and allo-isoleucine, as well as a generalized disturbance of plasma amino acid concentration ratios; by age two to three days, ketonuria, irritability, and poor feeding; by age four to five days, deepening encephalopathy manifesting as lethargy, intermittent apnea, opisthotonus, and stereotyped movements such as "fencing" and "bicycling." By age seven to ten days, coma and central respiratory failure may supervene. Individuals with intermediate MSUD have partial BCKAD enzyme deficiency that only manifests intermittently or responds to dietary thiamine therapy; these individuals can experience severe metabolic intoxication and encephalopathy during sufficient catabolic stress. [from GeneReviews]

MedGen UID:
6217
Concept ID:
C0024776
Disease or Syndrome
2.

Maple syrup urine disease

Maple syrup urine disease (MSUD) is a rare inherited disorder of branched-chain amino acid metabolism classically characterized by poor feeding, lethargy, vomiting and a maple syrup odor in the cerumen (and later in urine) noted soon after birth, followed by progressive encephalopathy and central respiratory failure if untreated. The four overlapping phenotypic subtypes are: classic, intermediate, intermittent and thiamine-responsive MSUD (see these terms). [from ORDO]

MedGen UID:
798392
Concept ID:
CN205200
Disease or Syndrome
3.

Hearing impairment

A general term for the complete or partial loss of the ability to hear from one or both ears. [from MeSH]

MedGen UID:
235586
Concept ID:
C1384666
Finding
4.

Failure to thrive

Less than normal weight gain in an infant or child, which may include poor linear and head growth.(AE) [from NCI_NICHD]

MedGen UID:
746019
Concept ID:
C2315100
Disease or Syndrome; Finding
5.

Peripheral neuropathy

Peripheral neuropathy is a general term for any disorder of the peripheral nervous system. The main clinical features used to classify peripheral neuropathy are distribution, type (mainly demyelinating versus mainly axonal), duration, and course. [from HPO]

MedGen UID:
506330
Concept ID:
CN008687
Finding
6.

Hearing impairment

A decreased magnitude of the sensory perception of sound. [from HPO]

MedGen UID:
446352
Concept ID:
CN000341
Finding
7.

Neuropathy

Peripheral neuropathy is a general term for any disorder of the peripheral nervous system. The main clinical features used to classify peripheral neuropathy are distribution, type (mainly demyelinating versus mainly axonal), duration, and course. [from HPO]

MedGen UID:
141046
Concept ID:
C0442874
Disease or Syndrome
8.

Failure to thrive

Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm. [from HPO]

MedGen UID:
115900
Concept ID:
C0231246
Finding; Finding
9.

Hearing problem

Conditions that impair the transmission of auditory impulses and information from the level of the ear to the temporal cortices, including the sensorineural pathways. [from MeSH]

MedGen UID:
82636
Concept ID:
C0260662
Disease or Syndrome
10.

Inborn genetic diseases

Diseases that are caused by genetic mutations present during embryo or fetal development, although they may be observed later in life. The mutations may be inherited from a parent's genome or they may be acquired in utero. [from MeSH]

MedGen UID:
181981
Concept ID:
C0950123
Disease or Syndrome
11.

Metabolic disease

Metabolism is the process your body uses to get or make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Chemicals in your digestive system break the food parts down into sugars and acids, your body's fuel. Your body can use this fuel right away, or it can store the energy in your body tissues, such as your liver, muscles, and body fat. A metabolic disorder occurs when abnormal chemical reactions in your body disrupt this process. When this happens, you might have too much of some substances or too little of other ones that you need to stay healthy. . You can develop a metabolic disorder when some organs, such as your liver or pancreas, become diseased or do not function normally. Diabetes is an example. .  [from MedlinePlus]

MedGen UID:
44376
Concept ID:
C0025517
Disease or Syndrome
12.

Disorder of the central nervous system

A structural abnormality of the central nervous system. [from HPO]

MedGen UID:
3306
Concept ID:
C0007682
Disease or Syndrome
13.

Disorder of amino acid metabolism

Disorders affecting amino acid metabolism. The majority of these disorders are inherited and present in the neonatal period with metabolic disturbances (e.g., ACIDOSIS) and neurologic manifestations. They are present at birth, although they may not become symptomatic until later in life. [from MeSH]

MedGen UID:
1867
Concept ID:
C0002514
Disease or Syndrome
14.

Neuropathy with hearing impairment

This syndrome is characterized by the association of sensorineural hearing impairment and peripheral neuropathy. [from ORDO]

MedGen UID:
799681
Concept ID:
CN199414
Disease or Syndrome
15.

Absent brainstem auditory responses

Lack of measurable response to stimulation of auditory evoked potentials. [from HPO]

MedGen UID:
322983
Concept ID:
C1836742
Finding
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