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.
Secondary hypertension is commonly caused by renal disease, endocrine conditions or pregnancy: 1  Renal disease is the most common cause of secondary hypertension. 2  Endocrine disease: Cushing's syndrome. 3  Coarctation of the aorta. 4  Obstructive sleep apnoea. 5  Pre-eclampsia and hypertension in pregnancy.