diffusion Water compries approximately 70% of the proboscis. Water molecules ar in constant random motion called diffusion. Diffusion is a physical property of molecules referring to their ability to move randomly in relation to their thermic energy. Diffusion weighted imaging has eviscerate its greatest impact on the imaging evaluation of ischaemic stroke. It is a new and efficient method that detects acute ischemic stroke much earlier than conventional T2-weighted MRI and computed tomography. DWI is be to distinguish the location and extent of the ischemic area at bottom one hour following onset of a stroke.
By comparison, conventional MRI and CT are sensitive in detecting hemorrhage from infarction and brain ischemia, but non until some(prenominal) hours after onset. Diffusion-weighted imaging detects the slowing of water molecules that occurs during the beforehand(predicate) stages of a stroke. It measures the benefit movement of water molecules in the body due to thermal energy (Brownian motion...If you want to get a full essay, revision it on our website:
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