Introductory day for new college tutors.
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Anesthesiology↗
Biomedical subjects
F M Dodd
Publications and source records attributed to F M Dodd.
The effect of a cervical collar on the tidal volume of anaesthetised adult patients.
Semi-rigid cervical collars may be used to assist the stabilisation of the cervical spine during transport in patients suffering from major trauma. We have attempted to evaluate the effect of one such collar on airway patency in the presence of depressed airway reflexes. Thirty-eight patients undergoing anaesthesia via face mask with spontaneous ventilation were studied. Tidal volume was measured with the airway in three different positions, both with and without a collar. The collar made no statistically significant difference to tidal volume in any position. Changing support of the airway increased tidal volume both with and without the collar. Patients fitted with an incorrectly sized collar may develop upper airway obstruction in the presence of impaired consciousness. Experience should be gained in the correct fitting of semi-rigid collars.
Adolescent↗
Blindness following bilateral neck dissection.
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Blindness↗
A disposable blood pressure cuff. An assessment of its accuracy.
An empty 500-ml infusion bag was used as the cuff for a Lifestat 100 oscillotonometer. The systolic and mean blood pressures obtained in 40 subjects were not significantly different from those measured with a standard cuff. The diastolic pressure was unrelated between the two cuffs. The empty bag is a cheap and hygienic option in patients who present a high infection risk.
Blood Pressure↗