The page below is a sample from the LabCE course Detecting and Evaluating Coagulation Inhibitors and Factor Deficiencies. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Detecting and Evaluating Coagulation Inhibitors and Factor Deficiencies (online CE course) »
How to Subscribe
MLS & MLT Comprehensive CE Package
Includes 97 CE courses, most popular
$95 Add to cart
Pick Your Courses
Up to 8 CE hours
$50 Add to cart
Individual course$20 Add to cart

Interpreting the Mixing Study Results: Case Study Three

A patient has no prior bleeding complications to date. He is in good health, but a recently performed aPTT test is prolonged. He is not receiving heparin or other anticoagulant therapy and the patient's physician orders a mixing study. The results of the mixing study are as follows:

Initial aPTT

Immediate aPTT mixing study

Incubated aPTT mixing study

63 sec. (normal range 21-34 seconds)

26 sec.

65 sec.