BME 732 - Surgical Implantation and Perfusion

medicineman's version from 2015-10-06 01:17


Question Answer
Surgical steps in generalIdentification of landmarks, marking craniotomy location, drilling craniotomy, electrode implant, grounding and referencing, and closing the wound
Dura matter Layer between the skull and brain
Sucli in humans and animals Sulci are deeper in humans than other species
AnesthesiaInhaled anesthia is easier to use than injected anesthesia. Start with a small dose of injected anesthesia and then switch to inhaled. Common anesthesias are isoflurane, ketamine, and barbituates
Ketamine vs barbituatesSubjects recover faster from ketamine than barbituates. Barbituates suppress neuronal activity
IP (intraperitoneal), IV (intravenous), and IM (intramuscular) injectionsIt is easier to give animals IP and IM injections than IV injections
Problems with anesthetics When the subject begins taking very deep breaths it is a sign of too much anesthesia. This can cause a buildup of CO2 in the brain which will result in brain swelling
Pulse oximeterThis device can be used to monitor CO2 levels and oxygenation
How can you reduce heating while drilling for a craniotomy?Drain the area with a saline solution, such a porcelain, to reduce heating. Over-heating can cause seizures
Mannitol IV injectionGiven just prior to craniotomy to shrink brain away from dura
Formalin The most commonly used tissue fixative. It is the aqueous solution of formaldehyde gas. Fixatives preserve body tissue

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