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.
1 During a heart attack, blood flow is affected in the heart, and heart tissue can begin to lose oxygen and die. This tissue will not conduct electricity as well, which can cause an abnormal EKG. Ischemia, or lack of blood flow, may also cause an abnormal EKG.  Heart rate abnormalities.