Diffusion

diffusion Water compries nearly 70% of the proboscis. Water molecules ar in constant hit-or-miss motion called diffusion. scattering is a physical property of molecules referring to their king to move randomly in relation to their thermic energy. Diffusion weighted imaging has advert its greatest impact on the imaging evaluation of ischaemic stroke. It is a new and in force(p) method that detects acute ischemic stroke much primarily than conventional T2-weighted MRI and computed tomography. DWI is capable to distinguish the location and extremity of the ischemic area deep down one hour side by side(p) onset of a stroke.

By comparison, conventional MRI and CT are sensitive in detecting hemorrhage from infarct and brain ischemia, but non until some(prenominal) hours after onset. Diffusion-weighted imaging detects the decrease of water molecules that occurs during the beforehand(predicate) stages of a stroke. It measures the dismiss movement of water molecules in the body due to thermal energy (Brownian motion...If you want to drum a full essay, line of battle it on our website: Orderessay

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