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عمومی::
افتالمیک
EPs trained in bedside ocular US have been found to accurately diagnose many ophthalmic condi- tions [1-7].
Some modern US machines have an 'ophthalmic' setting or preset; otherwise, use the 'small parts' preset to obtain the best images, while minimizing the amount of energy the eye absorbs, using a mechanical index low enough to be within the recommended ocular scanning protocols.
When using color Doppler, the ophthalmic artery (OA) and vein and the central retinal artery (CRA) and vein will course next to the optic nerve.
Retinal detachment and posterior vitreous detachment A RD is a true ophthalmic emergency and requires prompt intervention if vision is to be saved.
(a) Color Doppler flow shows the central retinal artery and vein in transverse plane (arrow); (b) intraocular foreign body without twinkling (white arrow); (c) Doppler of the ophthalmic artery; (d) Doppler of the central retinal artery, note the different waveform morphology from the ophthalmic artery and that the placement of the gate is much closer to the retina for the central retinal artery.
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