Kertahäviöriskin
Kertahäviöriskin refers to a rare genetic disorder that affects the nervous system. The term originates from Finnish, with "kertahäviö" meaning single deficiency and "riskin" indicating risk or susceptibility. Individuals with kertahäviöriskin exhibit a deficiency in a specific enzyme crucial for neurotransmitter synthesis. This deficiency leads to a buildup of certain metabolic byproducts and a depletion of essential neurotransmitters, disrupting normal brain function.
Symptoms typically manifest in infancy or early childhood and can vary in severity. Common presentations include
Diagnosis usually involves a combination of clinical evaluation, neurological examination, and biochemical testing to measure enzyme