For the life of me I can't find anywhere to buy a 30 x 20 fixed-bar return grille.
Chronic intracranial hypertension can be caused by many conditions including certain drugs such as tetracycline, a blood clot in the brain, excessive intake of vitamin A, or brain tumor. It can also occur without a detectable cause. This is idiopathic intracranial hypertension (IIH). Because the symptoms of IIH can resemble those of a brain tumor, it is sometimes known by the older name pseudotumor cerebri, which means âfalse brain tumor.â.
In many people, high blood pressure is the main cause of malignant hypertension. Missing doses of blood pressure medications can also cause it. In addition, there are certain medical conditions that can cause it.ormal blood pressure is below 140/90. A person with malignant hypertension has a blood pressure that's typically above 180/120. Malignant hypertension should be treated as a medical emergency.