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What is ultrasonic plethysmography and how can we use it in airway disease

Background. Until approx. the year 2000 mainly the following flow sensor principles were used in lung function testing:. Differential pressure (variable or fixed resistance)Turbines (rotation speed)Heated wires (cooling effect). All these principles have potential limitations:. Hygiene: Difficult

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What is ultrasonic plethysmography and how can we use it in airway disease

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    1. What is ultrasonic plethysmography and how can we use it in airway disease? Christian Buess ndd Medizintechnik AG, Zürich, Switzerland

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