Preoperative Workup

If a decision is made to use computer-aided surgery, a CT (or MRI) scan is done preoperatively using axial slices of 1 mm thickness at 1 mm intervals. The format often depends on the manufacturers' specification. Some systems require a headframe to be worn during the preoperative CT scan. The CT data can be transferred to the computer in the operating room on a magnetic/optical disk or digital tape. Calibration of the instruments is mandatory and each instrument is checked prior to the operation to verify its accuracy (Caversaccio et al., 1999).

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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