TxWes Guide Coag, ROTEM

Question 1

LABS

PT

Answer 1

11-14 sec

WEPT (warfarin, extrinsic, PT level)

Question 2

LABS

INR

Answer 2

1

Normal INR on Warfarin: 2-3

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

TEG-ACT value ___ transfuse what?

Answer 10

TEG-ACT > 140
transfuse FFP

Question 11

R time value ___ transfuse what?

Answer 11

R time > 10
transfuse FFP

Question 12

K time value ___ transfuse what?

Answer 12

K time > 3
transfuse cryo

Question 13

⍺ angle value ___ transfuse what?

Answer 13

⍺ angle < 53
transfuse cryo +/- platelets

Question 14

MA value ___ transfuse what?

Answer 14

MA < 50
transfuse platelets

Question 15

LY30 value ___ transfuse what?

Answer 15

LY30 > 3%
transfuse tranexamic acid