What’s the difference between serum and plasma?
Q. Quick question for you about serum vs. plasma: I wrote in my notes during class that serum is plasma without the clotting factors. (more…)
How to figure out which blood type to transfuse into a patient
Here is a good question from one of our readers: “Why is blood group O+ not a universal donor?”
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What’s the difference between Howell-Jolly bodies and Heinz bodies?
Q. Love your website, its helped me remember some super key concepts. (more…)
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…)
How to tell apart leukemias and lymphomas
Q. Â Can you please simplify for me how to pick if the case is leukemia or lymphoma ? (more…)
What’s the difference between FDPs and D-dimers?
Q. What is the difference between FDPs and D-dimers? (more…)
How come the extrinsic and intrinsic pathways are named that way?
Q. How did the “extrinsic” and “intrinsic” coagulation pathways get their names? It seems counter-intuitive. (more…)
How to tell apart myeloblasts and lymphoblasts
Q. Can you tell me the morphological features of AML M0 and M1 blasts versus ALL blasts to differentiate the two? (more…)
How do heparin and Coumadin affect the coagulation cascade?
Q. I have a question about the coagulation lab tests. I saw that an increased PT would result from Coumadin and Heparin. (more…)
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