Malignant hypertension refers to extremely high blood pressure that can cause injury to the eyes, heart, brain, and kidneys. This can result in permanent damage to these organs and even death.
Uncontrolled severe hypertension, or high blood pressure, causes injury to the blood vessels within the kidney, brain, heart, and eyes.
Many individuals have diagnosed high blood pressure. If it is left untreated, the high blood pressure can lead to malignant hypertension in a small percentage of these people. Malignant hypertension is very rare in a person with no history of high blood pressure.