Chest tightness and dizziness consider two conditions: first, whether there is a sudden increase in blood pressure, hypertensive patients with sudden increase in blood pressure will appear dizziness, chest tightness or even headache, nausea, vomiting, and increased intracranial pressure. Blood pressure should be checked, and antihypertensive drugs should be given when blood pressure increases. The second, consider coronary heart disease, angina attack, usually under the stimulation of exertion or mood swings, satiety, cold appear episodes of chest tightness, pain in the precordial region, shortness of breath, accompanied by dizziness, headache, sweating and other symptoms, after rest or sublingual nitroglycerin and other drugs, the symptoms can be relieved after treatment. If the symptoms are not relieved, go to the hospital promptly and you can be given intravenous nitrates and oral treatment with BAY aspirin or clopidogrel.