POCT

Question 1

What do different types of POCT cell counters measure

Answer 1

Hemoglobin Concentration

Hematocrit

Cell Counts

Platelet Counts

Question 2

POCT - Coagulation
how does it work

Answer 2

• used near pt
  -need only small volumes
  -enhances ability to monitor oral anticoagulant therapy
  -if INR exceeds 6.0 it is confirmed by venipuncture using plasma based assay

Question 3

how is Heparin Therapy
monitored with POCT

Answer 3

-unfractionated heparin therapy is monitored using ACT = ACTIVATED CLOTTING TIME
-ACT is modified whole blood clotting test time whose results are comparable with APTT
-rapid TAT allows faster administration of Heparin preventing bleeding or clotting episodes
-ACT needs whole blood, machine does QC and test is based on the detection of mechanical clot end point

Question 4

how quick do patients on oral coumadin need to be monitored

Answer 4

• VIt K antagonists like coumadin need to monitored monthly
  -quick POCT helps with dose adjustment, reduction in pt waiting time and patient education