Blood Coagulation Flashcards Preview

CP Final Exam F'16 > Blood Coagulation > Flashcards

Flashcards in Blood Coagulation Deck (4)
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1
Q

Heparin inhibits what factors?

A

IIa, IX, and Xa

2
Q

What does the Activated Partial Thromboplastin Time (APTT or PTT) measure?

Also, what is its reference range?

A

APTT: Measures the instrinsic and and common pathways.

Reference Time: 25-35 seconds

3
Q

What clinical test(s) are used to monitor Heparin therapy as compared to Coumadin Therapy?

A

Heparin Therapy: APTT (Intrinsic and Common)

Coumadin: Prothrombin Time (PT)

4
Q

What are the pathways tested w/ PT (Prothrombin Time)?

Also, what is the reference range?

A

PT: Extrinsic & Common

Reference: 10-13 seconds