hemophilia B
Học thuậtThân thiện
Definition
Noun: * A hereditary blood clotting disorder: Hemophilia B is an inherited condition that impairs the body's ability to form blood clots, leading to prolonged bleeding. It is caused by a deficiency or dysfunction of a specific blood protein called coagulation factor IX.
Usage
- Hemophilia B is a specific type of hemophilia, distinct from the more common hemophilia A.
- The condition is also historically known as Christmas disease, named after the first patient diagnosed with it.
- It is an X-linked recessive disorder, meaning it primarily affects males, while females are typically carriers.
Examples
- Noun:
- The patient was diagnosed with hemophilia B after experiencing unexplained joint bleeding.
- Treatment for hemophilia B often involves regular infusions of factor IX concentrate.
- Genetic counseling is recommended for families with a history of hemophilia B.
Advanced Usage
- "Factor IX deficiency": This is the precise physiological description of hemophilia B and is often used in medical contexts.
- The laboratory test confirmed a severe factor IX deficiency.
Variants and Related Words
- Christmas disease (n): A synonym for hemophilia B.
- Factor IX (n): The specific clotting factor that is deficient in hemophilia B.
- Coagulopathy (n): A general term for any disorder of blood coagulation.
- Hemophiliac (n): A person who has hemophilia (either type A or B).
Synonyms
- Christmas disease
- Factor IX deficiency
Related Terms (Medical Context)
- Hemophilia A: A different, more common type of hemophilia caused by a deficiency of factor VIII.
- von Willebrand disease: Another inherited bleeding disorder, distinct from hemophilia.
- Replacement therapy: The standard treatment for hemophilia B, involving intravenous infusion of factor IX.
Noun
- a clotting disorder similar to hemophilia A but caused by a congenital deficiency of factor IX