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Figure 1 | Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

Figure 1

From: Evaluation of clinical efficacy and safety of cervical trauma collars: differences in immobilization, effect on jugular venous pressure and patient comfort

Figure 1

The relationship between intracranial volumes and intracranial pressures (ICP). The figure shows the different compartments within the skull, and what happens to them and the ICP (broken line) when a new pathological compartment appears. As volume increases inside the skull compensation may occur up to a certain limit by decreasing cerebrospinal fluid (CSF) and venous blood inside it. A neck collar may obstruct venous outflow, hampering this mechanism and causing a move to the right on the ICP curve. How much ICP will increase will depend on where on the pressure curve the patient is positioned.

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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241