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Interhemispheric subdural hematomas are rare. Bilateral interhemispheric subdural hematomas in a patient with a ventriculoperitoneal shunt for hydrocephalus were diagnosed by computerized tomographic (CT) scan after mild head trauma. The value of CT scanning, the clinical presentation and treatment, and a review of the literature are presented.

Premedication for cardiac surgical patients attempts to achieve relief of anxiety with minimal or no cardiorespiratory changes. Nalbuphine (NUBAIN) and morphine produced similar decreases in respiratory rate (1-3 breaths per min) and PaO2 (averaging 1.34 kPa), and increases in arterial PaCO2 (averaging 0.56 kPa). Cardiovascular changes were not seen with either agent. A similar degree of sedation and relief of anxiety was achieved with both drugs. Side effects were minimal and infrequent. Nalbuphine produces respiratory depression and sedation without cardiovascular changes which is comparable to an equivalent dose of morphine in patients with either valvular or coronary artery disease.

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