Question 1

how is hemophilia spread?

Accepted Answer

Inheritance/genetics: Hemophilia is a disorder of clotting due to abnormal genes that are inherited from the mother by the son.  Daughters are carriers but generally do not suffer from it.  An affected man pass the gene to his daughters but can not pass it to the sone. Daughters pass the disease on to their sons.  Rarely a new mutation, de novo, may occur to cause the disease that is then spread to the offspring.

Question 2

who discovered hemophilia?

Accepted Answer

Conrad Otto: Families in which the males bled after minor trauma were known from antiquity, but Dr. Otto in 1803 established the pattern of inheritance and is credited as discoverer.

Question 3

how serious is hemophilia?

Accepted Answer

Very serious: Interferes with blood clotting, so subject can not easily stop bleeding when it occurs. Not just open bleeding, but into joints which when started will only stop when the pressure within the joint equals the blood pressure, so there is severe joint swelling followed by fibrosis (scarring) within the joint. Similarly uncontolled bleeding can occur into the GI tract and/or lungs.

Question 4

can you die from hemophilia?

Accepted Answer

Yes: Hemophilia makes bleeding very difficult to stop. People with hemophilia may not be able to properly stop even minor bleeding, and particularly internal bleeding can be hard to detect until late in the game.

Question 5

what is acquired hemophilia?

Accepted Answer

Bleeding disorder: Acquired hemophilia is when the body spontaneously makes autoantibodies (a signal that tells the immune response to respond to one of the body's normal components) for coagulation factor (these factors help with blood clotting) viii. This is usually in association with various autoimmune and chronic inflammatory diseases like lupus and rheumatoid arthritis.

Question 6

what gives people hemophilia?

Accepted Answer

Depends: There are two types of hemophilia (besides the a, b, c) - genetic (the most common and well-known) and acquired.  Genetic is just that - it's from birth due to a genetic mutation.  The acquired form develops later in life and is often caused by an immune reaction from an infection or substance (like a medication) that causes the immune system to attack certain parts of the hematologic system.

Question 7

how is hemophilia diagnosed?

Accepted Answer

Examination/ testing: The first step in diagnosing hemophilia is an interview with the patient. During that interview, the physician records the medical history of the patient and the patient's family. The next step is a physical examination, followed by blood tests to measure how long it takes blood to clot and whether any clotting factors are at low levels or missing completely.

Question 8

what are the different classes of severity of hemophilia?

Accepted Answer

Two main types: A, B: Hemophila is a hereditary disorder with two main types: a (classic) and b (christmas disease). The two types are clinically indistinguishable; the difference is in the coagulation factor (important for blood clotting). In type a, there is a deficiency in factor viii and in type b, there is a deficiency in factor ix.

Question 9

what type of mutation causes hemophilia?

Accepted Answer

Hemophilia: A mutation on the x chromosome that affects the blood clotting factors viii or ix.

Question 10

can you tell me how bleeding cause hemophilia?

Accepted Answer

It dosent: The bleeding is not the cause of this condition but the sign of the disorder. The person with hemophilia lacks some of the factors responsible         for clotting. Thus any bleeding lasts for a longer time and is more profound as compared to a person with normal clotting mechanisms.

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