INR: extrinsic, PTT: intrinsic – is it really that simple?
Janarthan sent in a great question on one of our posts about the two coagulation paths: the intrinsic and extrinsic pathways. (more…)
Why do the INR and PTT measure different pathways?
Coagulation questions seem to come up all the time! Here’s a good one from one of our readers. (more…)
What’s the difference between FDPs and D-dimers?
Q. What is the difference between FDPs and D-dimers? (more…)
Coagulation tests in 400 words or less
Making a blood clot involves three steps:
1. blood vessel constriction
2. platelet plug formation, and
3. fibrin formation (also called coagulation). (more…)
What does the bleeding time really measure?
Here’s a very good question about the diagnostic use of the bleeding time. (more…)
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