Ventilator Waveforms: Interpretation - apsresp.org
Ventilator Waveforms: InterpretationAlbert L. Rafanan, MD, FPCCPPulmonary, Critical Care and Sleep MedicineChong HuaHospital, Cebu CityTypes of Waveforms Scalarsare waveform representations of pressure, flow or volume on the y axis vstime on the x axis Loopsare representations of pressure vsvolume or flow vsvolume Scalar WaveformsLoopCommon problems that can be diagnosedby analyzing Ventilator waveformsAbnormal ventilatoryParameters/lung Overdistension,Auto PEEPCOPDPatient- Ventilator flow starvation,Double triggering,Wasted effortsActive expirationVentilatorycircuit related auto cycling andSecretion build up in theVentilatorycircuitLung Mechanics Use Scalar Pressure Time waveform with a square wave flow patternUnderstanding the basic Ventilator circuit diagramventilatorDiaphragmEssentially the circuit diagram of a mechanica
Ventilator Waveforms: Interpretation Albert L. Rafanan, MD, FPCCP Pulmonary, Critical Care and Sleep Medicine Chong Hua Hospital, Cebu City
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