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Ha, so much for the new approach. You see how that worked out. I went even longer than the last time without a post... However, this time I have something to write about. If for no other reason but to get the thoughts out of my head.click here
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About Arteriovenous Malformation (AVM)
An artery is a blood vessel that carries blood that is high in oxygen and nutrients from the heart to nourish other parts of the body. The walls of an artery are very elastic as they are meant to withstand high pressure as blood is pumped out of the heart. The arteries gradually become smaller and smaller as they get out to the tissues until reaching the capillary bed, which consists of tiny, thin-walled vessels, where oxygen and nutrients exchange with carbon dioxide and waste products.
The blood then continues into the veins, blood vessels that carry blood back to the heart. Normally, as the high-pressure arterial blood is pumped through a capillary bed there is a gradual decrease in blood pressure. The walls of veins are therefore not as elastic as arteries as they are not meant to carry blood under high pressure.
In the brain, the veins drain blood into venous dural sinuses (not to be confused with the air-filled sinuses in the facial bones that are often associated with sinus infections, etc.). Venous dural sinuses are folds in the dura mater (lining of the brain) that collect blood and then drain into the internal jugular veins that bring blood back to the heart...
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Part VIII
I continue my brain surgery narrative, reflecting on how I and my friends and family coped with learning about my surgery. Someday I will be clever enough to put a little thingy on the margin of my blog to redirect you in case you wanted to read from the beginning. And I’d compile all the brain surgery blogs in one place. That would be really clever. Sorry, I’m not there yet. Here’s the beginning of them.
My mother did not deal well with my impending surgery. What would “dealing well”...
