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Malignant hypertension is a serious condition caused by very high blood pressure. It can quickly cause serious damage to eyes, kidneys and brain. Some of the changes can be reversed by treatment but some permanent damage may occur. Malignant means bad or evil.
Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. High blood pressure usually does not cause symptoms. Long-term high blood pressure, however, is a major risk factor for coronary artery disease, stroke, heart failure, atrial fibrillation, peripheral vascular disease, vision loss, chronic kidney disease, and dementia. High blood pressure is classified as either primary (essential) high blood pressure or secondary high blood pressure. About 90â95% of cases are primary, defined as high blood pressure due to nonspecific lifestyle and genetic factors.