thrombocytopenia Flashcards

1
Q

what is thrombocytopenia

A

a low platelet count

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2
Q

Issues that relate to production of platelets

A

Sepsis
B12 or folic acid deficiency
Liver failure causing reduced thrombopoietin production in the liver
Leukaemia
Myelodysplastic syndrome

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3
Q

issues that relate to destruction of platelets

A

Medications
Alcohol
Immune thrombocytopenic purpura
Thrombotic thrombocytopenic purpura
Heparin-induced thrombocytopenia

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4
Q

presentation of thrombocytopenia

A

nosebleeds
bleeding gums
heavy periods
easy bruising
blood in urine or stools

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5
Q

what it ITP

A

Immune Thrombocytopenic Purpura

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6
Q

what occurs in Immune Thrombocytopenic Purpura

A

ITP is a condition where antibodies are created against platelets. This causes an immune response against platelets, resulting in the destruction of platelets and a low platelet count.

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7
Q

management of ITP

A

-prednisolone
- IV immunoglobulin
-rituximab
-splenectoy

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8
Q

what is ttp

A

Thrombotic Thrombocytopenic Purpura

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9
Q

what occurs in ttp

A

tiny blood clots develop throughout the small vessels of the body using up platelets and causing thrombocytopenia

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10
Q

why do blood vlots develop in TTP

A
  • issue with protein ADAMTS13
  • normally inactivates von willebrand factor& reduces platelet adhesion
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