Lab Test: Coagulation & Thyroid

Question 1

LABS

PT

Answer 1

11-14 sec

WEPT (warfarin, extrinsic, PT level)

Question 2

LABS

INR

Answer 2

1 sec

Normal INR on Warfarin: 2-3secs

Question 3

LABS

PTT

Answer 3

21-34 sec

On heparin = varies (~60-100 secs) depending on your coag goals!

Question 4

LABS

ACT

Activating Clotting Time

Answer 4

80-120 secs

> 160-180sec for ECMO

> 400sec for CPB

Used for large heparin doses.

Question 5

LABS

FSP

Fibrin Split Products

Answer 5

<10 µ/dL

Fragments from dissolved clots. Used often for DIC

Question 6

LABS

Fibrinogen

Answer 6

160-450 mg/dL

(the netting that covers the clot)

Question 7

LABS

Plasminogen

Answer 7

62-130%

Plasminogen makes Plasmin. Plasmin degrades fibrin (or clots)

Question 8

LABS

FDP

Fibrin Degredation Products

Answer 8

<10 µ/mL

basically FSP but resulted in different units.

Question 9

LABS

D-Dimer

Answer 9

<250 ng/dL

Only detectable if you are currently breaking down lots of clots.

Question 10

LABS

TSH
T3
T4

Answer 10

TSH: 0.4 µ units/mL
T3: 90 -230 ng/dL
T4: 13 - 15 µ/dL

Control metabolism, temp, mood, weight, neuro fxn, & muscle strength.

T3 = MORE active, 7%, majority made in cells.
T4 = main circulating thyroid hormone, 93%, can be converted to T3 using iodinase.

Question 11

LABS

AST
ALT

Answer 11

<35 IU/L

Liver function - ALT more specfic to liver, AST involves other organs including the liver.

Question 12

LABS

Fill in the blanks:

Answer 12

Question 13

LABS

Fill in the blanks:

Answer 13