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１引言高血压危象是心血管系统常见危重症之一，是由于原发性或继发性高血压患者，在高血压的基础上，在某些因素（如紧张、恐惧）影响下，交感神经活性亢进，儿茶酚胺分泌过多，导致全身细小动脉暂时性强烈痉挛，引起血压尤其是收缩压在短期内急剧升高，可高达３４．７／１６k
1 Introduction Hypertensive crisis is one of the common critically ill cardiovascular diseases. It is caused by essential hypertension or hypertension. Under the influence of certain factors (such as nervousness and fear), sympathetic Hyperkinetic activity, excessive secretion of catecholamines, leading to temporary strong spasms of systemic small arteries, causing blood pressure, especially systolic blood pressure in the short term sharply increased, up to 34.7 / 16k