- Systolic blood pressure (SBP) ≥180mmHg and/or diastolic blood pressure (DBP) ≥120mmHg, and with the evidences or manifestations of end-organ damage (i.e. with any following hypertension emergency symptom: Chest pain, short breath, upper abdominal discomfort, syncope, vertigo, blurred vision, consciousness, hematuria or ischemic change under 12-lead ECG)