medical gas-Low flow and High flow
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| what is a Low flow system? | It will only supply part of the patient's inspired volume. | ||||
| what is a High flow system? | It will supply the patient's entire inspired volume. | ||||
| what are the different types of Low flow system | 1.Cannula. 2. O2 conservation cannulas. 3.Transtracheal O2 catheters (TTO2). 4.Simple mask. 5.Partial re-breather mask. | ||||
| what are the different types of High flow system | 1.Non-rebreather mask. 2.Air entrainment mask / venturi mask. 3.Brigg'adapter (T-piece). 4.Aerosol mask,trach collar masks and face tents. 5.O2 hood. 6.Mist tent, O2 tent. Croupette. 7.CPAP mask. 8. Nasal CPAP mask. 9.ET CPAP | ||||
| Cannula (Low flow system) | FIO2: 24-45%. FLOW: 1-6 LPM. It is an appropriate O2 device for COPD pt.with stable RR and VT. | ||||
| O2 Conservation Cannulas (Low flow system) | 1.It is used in the homecare settings to reduce costs. 2. It is a reservoir cannula designed to maintain FIO2 at lower levels. 3. The flowrate may be reduced w/o effecting the FIOZ. | ||||
| TTO2 (Low flow system) | 1. this is a long term Low flow O2 therapy 2. This is done through a surgical implanted catheter. 3. It allows the upper airways and trachea to act as reservoir for O2 during exhalation. | ||||
| Hazards of TT02 (Low flow system) | Bronchospasm, bleeding abscess, pneumothorax, airway obstruction, and subcutaneous emphysema. | ||||
| What to do when pt becomes SOB or has increased wob with a TT02 device (Low flow system)? | The catheter could be obstructed with secretions and you would need to flush the catheter. | ||||
| Simple mask (Low flow system) | FIO2: 40-50%. FLOW: 6-10 LPM. Flow must be always greater than 5LPM to flush out exhaled CO2. | ||||
| Partial re=breather mask (Low flow system) | FIO2: 60-65%. FLOW: 6-10 LPM. It does not have a one-way flap. | ||||
| Non- rebreather mask (HIGH flow system) | FIO2: 21-100%. It is used in Emergency: Pneumothorax,CO poisoning,CHF,burns. He/O2 mixtures and CO2/O2 mixtures. It has 3 one way valves. | ||||
| Troubleshooting of Non-rebreather mask (HIGH flow system)? | 1. If bag collapses then increase the flow. 2. If pt. inhales and bag does not contract then a)seal the mask because it is not tight. b)or the non-breathing valve is stuck then replace the mask. | ||||
| Air entrainment mask/ venturi mask (HIGH flow system) | FIO2: 100% It is ideal for pt. with COPD who have irregular VT,RR and breathing patterns. |
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Created by:
johnfaar
on 2009-10-15