Eisenmenger syndrome

HoleQ. I’m having a hard time wrapping my head around which way blood flows through congenital heart defects. (more…)

MHC genes demystified

Q. I have a question on MHC receptors being polymorphic. Does this mean your MHC receptors are all the same, but just different from all of mine, which are the same as each other? Or are all MHC receptors polymorphic?

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Intrinsic vs. extrinsic anemias

fibrinQ. Can you help me understand intrinsic vs. extrinsic anemias? My concept of it is that intrinsic means it’s in the blood vessels and extrinsic means it’s in the spleen. (more…)