英语词汇“presyncopal dizziness”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	presyncopal dizziness
释义	presyncopal dizziness presyncopal dizziness Vertigo preceding syncope, accompanied by a sense of impending blackout, and tunnel vision, all due to ↓ blood flow to the brain, typically worse when standing; PD may occur in healthy persons who rise too quickly from a chair, often after a meal, accompanied by brief disorientation. See Orthostatic hypotension.
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