Shared Flashcard Set

Details

Title

APTT

Description

n/a

Total Cards

Subject

Pathology

Level

Undergraduate 2

Created

04/29/2012

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Additional Pathology Flashcards

Term

APTT test for...

Definition

Intrinsic & Common Pathways

All factors except III, VII, XIII

Useful in monitoring Heparin Therapy

Term

What color tube is used and what anticoagulant is used

Definition

Container Blue top

3.2 % sodium citrate

4.5 mL of blood

Term

Why should the first 1-2ml of blood be discarded when collecting for coag tests?

Definition

Avoids contamination of specimen with tissue thromboplastin.

Term

why must you only freeze/thaw sample only once?

Definition

rapid thawing prevents denaturation of fibrinogen