一、诊断和鉴别诊断高血压急症(hypertensive emergency)是指血压显著升高、有导致脏器严重受损的危险而需迅速处置使血压下降的病症。最近将此症分为两类,即需在1小时内使过高血压迅速降低的高血压急症和观察1小时后可于24小时内逐步使血压降低的高血压紧急症(hypertensive urgency)(如表)。 First, the diagnosis and differential diagnosis of hypertensive emergency (hypertensive emergency) refers to a significant increase in blood pressure, causing serious organ damage and the need to promptly reduce the blood pressure of the disease. Recently, the disease has been divided into two categories, namely, an urgent need of urgent treatment to reduce hypertension rapidly within one hour and an observation of hypertensive urgency that gradually reduces blood pressure within one hour table).