If a patient increases to a blood pressure of 170 mmHg, clinical symptoms do not necessarily appear immediately. In the case of chronic hypertension and long-term hypertension, when the blood pressure slowly increases to 170 mmHg, the patient will experience gradual adaptation, so the clinical typical manifestations will not necessarily appear immediately. If the blood pressure increases to 170 mmHg within a short period of time, there will be obvious clinical manifestations, patients will have dizziness, headache, nausea, vomiting, blurred vision or even transient black haze, sudden collapse, vertigo accompanied by chest tightness, shortness of breath, palpitations, weakness, loss of appetite, poor appetite, and in severe cases, a series of clinical symptoms and manifestations such as acid reflux and heartburn. In severe cases, patients may also experience the triad of increased intracranial pressure, such as severe headache, vomiting, and optic nerve papilledema.