Using DHCP to Assign IP Addresses to Devices - Overview of DHCP. 1  Open DHCP server: Click Start, point to Settings, click Control Panel, double-click Administrative Tools, and then double-click DHCP. 2  In the console tree, click the applicable DHCP server. 3  On the Action menu, click Set Predefined Options.
Brain ischemia. Brain ischemia (a.k.a. cerebral ischemia, cerebrovascular ischemia) is a condition in which there is insufficient blood flow to the brain to meet metabolic demand. This leads to poor oxygen supply or cerebral hypoxia and thus to the death of brain tissue or cerebral infarction / ischemic stroke.
What is ischemia? Ischemia is the medical term for what happens when your heart muscle doesn't get enough oxygen. Ischemia usually happens because of a shortage of blood and oxygen to the heart muscle. It is usually due to narrowing or blockage of one or more of the coronary arteries (which supply blood to the heart muscle). In many cases ischemia is a temporary problem. Your heart may be ...