According to the Chinese traditional medicine, this disease belongs to the field of the "vertigo", "migraine", etc. In the clinic it is divided in essential and secondary. It is noticed mainly in the people of 40 or more years of age and, occasionally, also in the young people. Main symptoms in the initial period: I am annoying, migraine, vertigo, palpitación, insomnia, tinnitus, nervousness, asthenia, hipomnecia, face flesh color or adormecimiento of the extremities, etc.

In the course of the advanced period alterations pathological cardiac, cerebral and renales can take place. More than 60 million adults in the United States they are hypertense. It has been recognized well, that the hypertension is a factor of continuous and nondichotomizing risk. In all group of adult age, the high values of the arterial pressures systolic and diastólica imply greater risks of apoplegía and congestiva insufficiency cardiac. Even in this case, the clinical ones must be able to apply specific criteria for the arterial pressure, like average deciding in each marry-client the numbers from which the treatment must be considered.