Holt-Oram Syndrome: A rare inherited disorder characterized by hand, arm and heart abnormalities. Bone abnormalities usually affect the left arm more than the right and occasionally only one arm and/or hand is affected. More detailed information about the symptoms, causes, and treatments of Holt-Oram Syndrome is available below.
See full list of 42 symptoms of Holt-Oram Syndrome
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See full list of 11 occasional symptoms of Holt-Oram Syndrome
Commonly undiagnosed diseases in related medical categories:
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Read more about Misdiagnosis and Holt-Oram Syndrome
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Characterized by malformations of bones of the thumbs, hands and forearms and/or abnormalities of the heart; in many infants, the thumbs and wrists may be absent, underdeveloped or have an extra bone; scapulae, clavicles, and/or other bones may also be abnormal. - (Source - Diseases Database)
Holt-Oram Syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Holt-Oram Syndrome, or a subtype of Holt-Oram Syndrome,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Ophanet, a consortium of European partners,
currently defines a condition rare when it affects 1 person per 2,000.
They list Holt-Oram Syndrome as a "rare disease".
Source - Orphanet
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