Slide 1

Slide 2 Junior Practitioner Learning Package Dr Bronwyn Avard, July 2010 Slide 3 To understand the physiological principles underlying mechanical ventilation To know the different terminology associated with mechanical ventilation Slide 4 Please complete pre-test before proceeding with learning package http://www.surveymonkey.com/s/ventilation_juniorpack_pretest Slide 5 Slide 6 Slide 7 Slide 8 INVASIVE VENTILATION NON-INVASIVE VENTILATION Slide 9 INVASIVE VENTILATION NON-INVASIVE VENTILATION CPAPBIPAP TIME PRESSURE 5cmH 2 O 10cmH 2 O Slide 10 INVASIVE VENTILATION NON-INVASIVE VENTILATION controlledspontaneous volume control pressure control pressure support (PCV)(PS)(SIMV) Slide 11 INVASIVE VENTILATION NON-INVASIVE VENTILATION pressurevolume controlledspontaneouscontrolled (PCV)(PS)(SIMV) Slide 12 Slide 13 Volume-control ventilation TIME VOLUME Slide 14 Volume-control ventilation - SIMV TIME VOLUME Slide 15 Pressure-control ventilation TIME PRESSURE Slide 16 TIME PRESSURE 5cmH 2 O 10cmH 2 O Slide 17 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 Slide 18 TIME 10cmH 2 O 20cmH 2 O Pressure = 10cmH 2 O PRESSURE SUPPORT SET : pressure support 10cmH 2 0 & PEEP 5cmH 2 O Slide 19 TIME PRESSURE 5cmH 2 O 15cmH 2 O PRESSURE CONTROL SET : PIP 15cmH 2 0 & PEEP 5cmH 2 O Pressure = 10cmH 2 O Slide 20 TIME PRESSURE 5cmH 2 O 15cmH 2 O PRESSURE CONTROL SET : PIP 15cmH 2 0 & PEEP 10cmH 2 O Pressure = 5cmH 2 O Slide 21 TIME PRESSURE 5cmH 2 O 15cmH 2 O BiPAP SET : IPAP 15cmH 2 0 & EPAP 5cmH 2 O Pressure = 10cmH 2 O Slide 22 TIME PRESSURE 5cmH 2 O 15cmH 2 O BiPAP SET : IPAP 15cmH 2 0 & EPAP 10cmH 2 O Pressure = 5cmH 2 O Slide 23 Slide 24 Triggering Inspiratory time I:E ratios Slide 25 Triggering Flow or pressure change Inspiratory time I:E ratio Slide 26 Triggering Inspiratory time Default 1.7 seconds Often reduced (1.2 seconds more comfortable) I:E ratio Slide 27 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 Slide 28 Oxygenation FiO2 PEEP Carbon dioxide Respiratory rate Pressure/volume Slide 29 Slide 30 http://www.surveymonkey.com/s/ventilation_juniorpack_posttest Slide 31