Idiopathic
Referring to a disorder of unknown cause.
Ictal
Referring to the period during a sudden attack, such as a seizure or stroke.
Hypothyroidism (underactive thyroid)
A condition in which your thyroid hormone production is low and can cause a range of symptoms including fatigue, constipation, dry skin and brittle nails, aches and pains, and feeling down.
Hypothalamus
A small, central region of the human brain formed by nervous fibers and a conglomerate of nuclear bodies with various functions. The hypothalamus is considered to be a link structure between the nervous and the endocrine system, its main function being to maintain the homeostasis of the body.
Rage Attack
A hallmark symptom of hypothalamic hamartomas and described explosive anger and often triggered by an external stimuli. These rages are typically not manageable through traditional behavior therapy and can be devastating for both the patient and families.
Hypothalamic Rage
See Rage Attacks
Hypothalamic Obesity
A type of obesity that is caused when the hypothalamus doesn’t function normally. One of the most common reasons for a child to develop hypothalamic obesity is treatment for a brain tumor impacting the hypothalamus. Any injury to the hypothalamus can cause the condition. Impaired hypothalamus function can cause hyperphagia (abnormally high drive to eat)…
Hydrocephalus
A condition associated with obstruction of the cerebrospinal fluid pathways in the brain and accumulation of excess cerebrospinal fluid within the skull.
Hyperthyrodism (overactive thyroid)
A condition in which your thyroid hormone production is too high and can cause a range of symptoms including a rapid heartbeat, weight loss, increased appetite and anxiety.
Hospitalists
Physicians working within the hospital. Their care focuses on the hospital stay, and the medical care needed during that stay.