Chiari surgery A posterior fossa decompression is a surgical procedure performed to remove the bone at the back of the skull and spine. The dura overlying the tonsils is opened and a patch is sewn to expand the space, similar to letting out the waistband on a pair of pants.
Undercapitalization - Undercapitalization refers to any scenario or context where companies are in a dire position of not being able to get the funding or monies they require.
Hypercapnia is the condition in which there is increased level of carbon dioxide in blood. This condition is closely associated with hypoxemia (low level of oxygen) which causes breathing difficulty. It is customary to inhale oxygen and exhale Co2.