n Of HypertensionРPrimary or Essential Hypertension 原发性高血压? high blood pressure with no obvious underlying(潜在的,根本的) medical cause. ? 90-95%?Secondary Hypertension 继发性高血压? High blood pressure that is caused by another medical condition(医疗条件) or medication(药物).? 5-10%РSigns And SymptomsРTreatmentР1Р4Р2Р5Р3РPrecautionР6РContentsРMedical QigongРSigns And SymptomsРComplicationsРCauses And PathogenesisРSigns And SymptomsРHeadache?Dizziness?Shortness of breath?Blurred vision?Ear noise or buzzing?nosebleed?Fatigue?Nausea?Irregular heartbeatРSigns And SymptomsРSigns And SymptomsРMost of the time, there are no symptoms.?About one out of every 100 (1%) people with hypertension is diagnosed with severe high blood pressure (accelerated or malignant hypertension) at their first visit to the doctor.