Junior Practitioner Learning Package Dr Bronwyn Avard, July 2010.

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Presentation transcript:

Junior Practitioner Learning Package Dr Bronwyn Avard, July 2010

 To understand the physiological principles underlying mechanical ventilation  To know the different terminology associated with mechanical ventilation

Please complete pre-test before proceeding with learning package

INVASIVE VENTILATION NON-INVASIVE VENTILATION

INVASIVE VENTILATION NON-INVASIVE VENTILATION CPAPBIPAP TIME PRESSURE 5cmH 2 O 10cmH 2 O

INVASIVE VENTILATION NON-INVASIVE VENTILATION controlledspontaneous volume control pressure control pressure support (PCV)(PS)(SIMV)

INVASIVE VENTILATION NON-INVASIVE VENTILATION pressurevolume controlledspontaneouscontrolled (PCV)(PS)(SIMV)

 Volume-control ventilation TIME VOLUME

 Volume-control ventilation - SIMV TIME VOLUME

 Pressure-control ventilation TIME PRESSURE

TIME PRESSURE 5cmH 2 O 10cmH 2 O

TIME PRESSURE 5cmH 2 O 15cmH 2 O Peak inspiratory pressure  Pressure = 10cmH 2 O PRESSURE SUPPORT SET : pressure support 10cmH 2 0 & PEEP 5cmH 2 O

TIME 10cmH 2 O 20cmH 2 O  Pressure = 10cmH 2 O PRESSURE SUPPORT SET : pressure support 10cmH 2 0 & PEEP 5cmH 2 O

TIME PRESSURE 5cmH 2 O 15cmH 2 O PRESSURE CONTROL SET : PIP 15cmH 2 0 & PEEP 5cmH 2 O  Pressure = 10cmH 2 O

TIME PRESSURE 5cmH 2 O 15cmH 2 O PRESSURE CONTROL SET : PIP 15cmH 2 0 & PEEP 10cmH 2 O  Pressure = 5cmH 2 O

TIME PRESSURE 5cmH 2 O 15cmH 2 O BiPAP SET : IPAP 15cmH 2 0 & EPAP 5cmH 2 O  Pressure = 10cmH 2 O

TIME PRESSURE 5cmH 2 O 15cmH 2 O BiPAP SET : IPAP 15cmH 2 0 & EPAP 10cmH 2 O  Pressure = 5cmH 2 O

 Triggering  Inspiratory time  I:E ratios

 Triggering  Flow or pressure change  Inspiratory time  I:E ratio

 Triggering  Inspiratory time  Default 1.7 seconds  Often reduced (1.2 seconds more comfortable)  I:E ratio

 Triggering  Inspiratory time  I:E ratio  Usually ~1:3  When adjusting inspiratory time check I:E ratio  Check not accidently ventilating with inspiratory time longer than expiratory time  Disease-specific

 Oxygenation  FiO2  PEEP  Carbon dioxide  Respiratory rate  Pressure/volume