Introduction

Volume, pressure, and flow are measured by many intensive care ventilators and continuous-waveform displays are commonplace. The pressure-volume relationship of the lung and chest wall demonstrates the stiffness of the lung, whereas flow-volume curves demonstrate changes in airways resistance. Many ventilators are able to store waveforms, enabling trends to be established. Great care must be taken to ensure that each waveform is recorded under exactly the same ventilator settings if a comparison is to be made (T2bln..,aDd.,V§n..de..,Gia§i!...1994).

Sleep Apnea

Sleep Apnea

Have You Been Told Over And Over Again That You Snore A Lot, But You Choose To Ignore It? Have you been experiencing lack of sleep at night and find yourself waking up in the wee hours of the morning to find yourself gasping for air?

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