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Biomedical subjects

P Cabler

Publications and source records attributed to P Cabler.

5 recordsLinked to original sources

The use of ultrasonic energy to vaporize anaesthetic liquids.

Ultrasonic energy, provided by a commercially available water vaporizer, was used to vaporize methoxyflurane, halothane, and chloroform. The vaporizer was placed directly in the respiratory line, and the anaesthetic liquid was vaporized one drop at a time. Anaesthesia was maintained for periods up to 6 hr in horses, ponies, calves, sheep, dogs, and one pig. This method of vaporizing liquids is applicable to a wide variety of anaesthetics. It is easily controlled, and the same vaporizer can be used with a wide range of sizes of subjects. The vaporizer can be placed directly in the respiratory circuit, and adds almost no resistance to breathing.

Anesthesiology

The impedance of electrodes used for ventricular defibrillation.

This study has shown that the apparent impedance of both electrode-electrolyte interfaces is small at the current levels used for transchest ventricular defibrillation, making it clear that the appearent impedance appearing between the electrode terminals is largely that of the subject. In addition, it has been shown that for measurement of the impedance of the subject, with low-intensity sinusoidal current, the electrode-electrolyte impedance becomes negligible above 10 kHz and is only slightly affected by the magnitude of the current used to make the measurement.

Electric Countershock