ACQUIRED COAGULATION DISORDERS Flashcards

1
Q

D.I.C

Reduction in __________ due to __________ initiated by a variety of events

A

circulating clotting factors

intravascular thrombosis

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2
Q

PATHOGENESIS of DIC

 Release of tissue thromboplastin
→ activation of ——— system e.g. ____ trauma, ______ complications, ________ episodes and malignancies.

 - Severe endothelial damage
→ activation of ______ system e.g. ______,_________.

 Direct ______________ e.g.
septicaemia

 Secondary activation of ————-
→ _______

_________ of clotting factors and platelets

A

extrinsic; surgical; obstetric; acute haemolytic

intrinsic; Gram-ve septicaemia, burns

induction of platelet aggregation

fibrinolysis; FDP

Consumption

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3
Q

Haematological findings of DIC:

 - Thrombo________
 - Blood film shows ___________
etc

 - ________ Bleeding time , ______ PT , _________PTT

 - _________ Fibrinogen

_______ factor V and VIII

 - _____ Present

A

cytopenia

redcell fragments

Increased, increased, very increased

Decreased; decreased

FDP

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4
Q

AETIOLOGY OF DIC
 Obstetric Accidents

◼___________
◼__________
◼________
◼ IUD

A

Abruptio placenta

amniotic fluid embolism

Eclampsia

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5
Q

AETIOLOGY OF DIC

List 9

A

Septicaemia, gram-ve meningococcal

Haemolytic transfusion reaction

Liver disease especially liver failure

Acute promyelocytic leukaemia

Massive surgery

Obstetric Accidents

Disseminated Ca

Snake bite

Severe hypersensitivity reaction

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6
Q

CLINICAL FEATURES OF D.I.C

Three Clinical forms
(a)________ DIC

(b)_____________ DIC

(c)________ DIC

A

Compensated

Chronic or subacute

Acute

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7
Q

CLINICAL FEATURES OF D.I.C
Three Clinical forms
(a) Compensated DIC - ___ symptoms,
only demonstrated in the ________

(b) Chronic or subacute DIC -________ symptoms like _______ and ______

(c) Acute DIC - Presents with _________ and _________

A

No; laboratory

Occasional mild; bruises and progressive organ failure

widespread bruising and bleeding

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8
Q

Majority of D.I.C fall into which category?

Compensated, chronic, or acute ?

A

Compensated and chronic

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9
Q

DIC

Symptoms and signs may be related in
most instance to the condition
causing the DIC.

T/F

A

T

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10
Q

Symptoms due to DIC persey

-_______
-____________due to ischaemia
- _____________________________

A

Bleeding

Organ damage

Micro angiopathic haemolytic
anaemia

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11
Q

DIAGNOSIS OF COMPENSATED
DIC

••Test to detect platelet activation
–_______
-__________

••Test to show increased coagulation
factor activation and thrombin generation.

-increased ________level
-Decreased level of two main inhibitory
proteins (_______,________)

A

P/F factor Cf; Thromboxane A2

fibrinopeptide A

Antithrombin III, Protein C

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12
Q

Treatment of DIC

Principles
(a)________________
(b) ___________ of _______ and ______
(c) _______ of the Clotting process with _____ or other agents.

A

elimination of primary cause of DIC

Replacement of coagulation factors and platelets

Inhibition; heparin

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13
Q

TREATMENT OF ACUTE DIC

 General support measures
–______
- blood
-______ care
- Antibiotics

 Elimination of _________

 Replacement of coagulation factors and platelets
◼ _____
◼______
◼ _______
 Repeat above as indicated by lab or clinical observation.

___________________

A

fluids; respiratory

primary cause of DIC

FFP; Cryo ppt; Platelets

Inhibition of clotting process with Heparin or other agents

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14
Q

Bleeding associated with Liver
disease, why ?

__________ develops in end stage
liver disease
 Abnormal ______ function
 Reduced platelet production due to
__________
 Acquired ______________

A

Renal failure

endothelial

thrombopoietin

platelet dysfunction

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