Hypertension is currently one of the most common clinical diseases. We often hear about essential hypertension, pregnancy-induced hypertension, etc. So how are hypertension classified and what types are there? The most common clinical types of hypertension are classified according to the cause, including primary and secondary. Secondary hypertension has a clear cause. If these causes are removed or controlled, blood pressure will return to normal. Therefore, the most important thing for this type of hypertension is to find the cause. Secondary hypertension can be divided into endocrine, renal, pregnancy, sleep apnea, and so on. The lesions of endocrine hypertension are mainly the adrenal glands, while renal hypertension is caused by renal vascular stenosis or glomerular and renal tubular lesions. Hypertension during pregnancy is hypertension that occurs during pregnancy, and apnea is caused by When sleeping, the respiratory tract is blocked, blood oxygen saturation is reduced, and hy
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