MR. MOHAMMAD TALAL AL JOHANY
RESPIRATORY THERAPIST
Meqaat Hospital Madina
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9. negative pressure is pressure lower than the atmospheric pressure, whereas
positive pressure is pressure that it is greater than the atmospheric pressure.
Pulmonary ventilation comprises two major steps: inspiration and expiration.
Inspiration is the process that causes air to enter the lungs, and expiration is the
process that causes air to leave the lungs .
Respiratory cycle (RR) is one sequence of inspiration and expiration.
10. It is machine used positive-pressure to given breath according to machine
parameter and case of the patient .
PARAMETER AND SITTING OF MV
Mode ( Volume control , Pressure Control , MIX )
Fio2 (O2) Fraction of Inspired Oxygen .
Tidal volume Vt : Tidal volume is the amount of air delivered with each breath .
PEEP : Positive End Expiratory Pressure .
Respiratory Rate (RR)
I:E ratio of inspiratory time : expiratory time .
11. For Oxygenation
- Fio2
- PEEP
For Ventilation
- Tidal Volume
- Respiratory Rate
12. Volume Control mode
Tidal volume ( Vt ) set depending on gander then ideal body weight and lung
status , male from 400 ml to 450 ml , female 350 ml to 400 ml .
Fio2 : 100%
PEEP : 5
RR : 14 to 18 per minuet
I:E ratio 1:2
After 15 to 30 miutes , check the ABG and CXR to do changes on the setting .
13. Portable ventilation or Transport ventilation: it is Mechanical ventilation we can
use it if we need transfer intubated patient to any place inside or outside hospital
For example :
- To another hospital
- To radiology
- To OR
- To ICU