Clinical Anatomy For Dummies. The meninges are the coverings of the brain. They protect the brain by housing a fluid-filled space, and they function as a framework for blood vessels. The meninges have three layers: the dura mater, the arachnoid mater, and the pia mater. The arachnoid mater is attached to the pia mater by arachnoid trabeculae, which is a weblike matrix of connective tissue. The space between the two layers, the subarachnoid space, is filled with cerebrospinal fluid (CSF).
Potassium-sparing diuretics cause the kidneys to hold potassium in the body. When you are taking these medications you generally should not take potassium supplements because your potassium levels might rise too high. Treatments that combine thiazide diuretics (which cause potassium loss) and potassium-sparing diuretics can affect potassium levels unpredictably. If you are taking such a combination medication, do not take potassium except on the advice of your physician.
Diuretics, Loop. Class Summary. These agents are often used in the treatment of hypervolemic hyponatremia. In patients with syndrome of inappropriate antidiuretic hormone secretion (SIADH) with euvolemic hyponatremia, diuretics are usually used in conjunction with normal saline to replenish the Na+ excreted with the diuresis.