Term
What are six steps to the approach of a patient with a hemorrhagic disorder? |
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Definition
1) systemic? 2) spontaneous? 3) Severity 4) Age at presentation 5) Family Hx 6) Underlying disorder |
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Term
What is the hallmark of thrombocytopenia? |
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Definition
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Term
What platelet count is considered safe? |
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Definition
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Term
What is ITP characterized by? |
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Definition
rapid destruction of platelets by autoantibody IgG |
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Term
What is the most cause of mortality in ITP patients? |
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Definition
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Term
What are some treatments for ITP? |
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Definition
1) avoid aspirin/NSAIDS 2) Prednisone 3) if Prednisone fails - splenectomy 4) IV immune globulin |
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Term
What are the 5 major manifestations of TTP? |
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Definition
1) severe microangiopathic hemolytic anemia 2) moderate-severe thrombocytopenia with increased marrow megakaryocytes 3) Fever 4) CNS signs/symptoms 5) Renal Disease |
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Term
What are 4 abnormalities of platelet function? |
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Definition
1) myeloproliferative diseases and associated platelet abnormalities 2) Uremia 3) Liver disease 4) Drug-induced platelet disorders |
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Term
platelet count >500,000 with normal function is what? |
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Definition
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Term
What are vascular purpuras characterized by? |
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Definition
cutaneous hemorrhage, occasionally associated with mucosal bleeding |
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Term
What is the most common hereditary bleeding disorder? |
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Definition
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Term
What is the most common type of Von Willebrand disease? |
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Definition
Type 1: vWF antigen, Factor VII, and ristocetin cofactor levels are all decreased |
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Term
What is effective to treat traumatic bleeding or prior to surgery in those with Von Willebrand disease? |
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Definition
DDAVP
*stimulates release of vWF from endothelial cells |
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Term
What is deficient or defective in Hemophilia A? |
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Definition
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Term
What is an important aspect for diagnosis of hemophilia A? |
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Definition
family history of bleeding |
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Term
What can be given to patients with Hemophilia A? |
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Definition
cryoprecipitate - factor VII replacement |
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Term
What is the most common acquired hemorrhagic disorder? |
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Definition
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Term
What is the general pathophysiology of DIC? |
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Definition
massive activation of clotting cascade overwhelming anithtrombotic mechanisms giving rise to uncontrolled thrombin generation |
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Term
What diagnostic findings suggest DIC? |
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Definition
1) microangiopathic RBCs 2) moderate thrombocytopenia |
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Term
What three populations have a higher incidence of acquired hemophilia? |
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Definition
1) elderly 2) during pregnancy 3) postpartum |
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Term
Where are the most frequent hemorrhages related to severe liver disease? |
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Definition
1) esophageal 2) GI 3) gastric 4) peptic Ulcer |
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Term
What is a revealing clue postoperatively of a systemic malfunction? |
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Definition
bleeding at multiple sites, particular areas other than surgical wound |
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