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Fundamentals Unit 5
SPC Fundamentals Unit 5 Exam 3
| Question | Answer |
|---|---|
| Alveolar Air Equation | FIO2(PB-PH2O)-PaCO2/0.8=PAO2 |
| With Alveolar Air Equation if FIO2 is >.60 you should? | Eliminate /0.8 |
| FIO2(PB-PH2O)= | PIO2 |
| FIO2 | Fraction of Inspired O2 |
| PH2O | Partial Pressure of Water Vapor (Typically 47) |
| PaCO2 | Arterial Partial Pressure of Carbon Dioxide |
| PAO2 | Alveolar Partial Pressure of O2 |
| PB | Partial Pressure (Typically 760) |
| O2 Hypoventilation | Noted in COPD patients w/ elevated PaCO2 and HCO3 Develop a hypoxic drive If PaO2 is above 60mmHg the drive is diminished leading to hypoventilation |
| Absorption Atelectasis | N2 washout of alveolar gas N2 is inert and not absorbed |
| O2 Toxicity | Cause by elevated FIO2-->Free Radicals that which damages the A-C membrane of the lung-->Edema & Fibrosis |
| ROP stands for? | Retinopathy of Prematurity |
| ROP is... | Disease of the Eye Cause by PaO2 > 80mmHg Constriction of Retinal Blood Vessels May cause retinal scarring & blindness |
| BPD stands for? | Broncho-pulmonary Dysplasia |
| BPD is... | (Chronic Lung disorder) Combo of high FIO2 & airway damage from peak ventilator pressures |
| Goals of O2 Therapy | Treat Hypoxemia Reduce WOB (Work of Breathing) Reduce Myocardial workload |
| VT | Tidal Volume |
| VE | Minute Volume Volume of gas inhaled or exhaled from lungs per/min |
| Indications of O2 Therapy | Documented Hypoxemia -PaO2 < 60mmHg -SaO2 <90% Suspected Hypoxemia -Acute M/I -Severe Trauma |
| Clinical Manifestations of Hypoxemia | Tachycardia Tachypnea Cyanosis Restlessness/Confusion Pulmonary Hypertension |
| Responsive Hypoxemia | Increase in PaO2 & FIO2 Due to V/Q (Ventilation/Perfusion) mismatch Use low or high O2 device |
| Refractory Hypoxemia | PaO2 demonstrated minimal response w/ increase FIO2 Due to shunting Use PEEP or CPAP |
| Monitoring O2 Therapy/Administration | Pulse OX (SpO2) Physical Assessment of: Pulse/Frequency (Breath Rate)/Color/Neurologic Status |
| Low Flow O2 Systems | Will not meet patients inspiratory peak flow needs Nasal Cannulas Transtracheal O2 Catheter Simple O2 Mask Partial & Non-rebreather Mask |
| Pulse Demand/Dose Delivery Systems | W/ Cannulas & Transtracheal Catheter Set O2 upon inspiration 17ml @ 1 LPM 35ml @ 2 LPM |
| Variables of Low Flow Systems | Respiratory Rate Tidal Volume Inspiratory Flow Ins:Exp ratio |
| High Flow O2 Systems | Will meet patients inspiratory peak flow needs Air-entrainment Mask and/or Nebulizer Both <.40 |
| Jet Mixing | O2 is gas source Air-entrainment ports allow for increased total flow and a variable FIO2 |
| Air:O2 | 100-% (L of Air)/%-20 (L of O2) |
| Aerosol Devices | Used with entrainment nebulizers Provides cold or heated humidification |
| Types of Aerosol Devices | Aerosol Mask Face Tent Tracheostomy Mask Briggs Adapter (T-tube) |
| Hazards of Briggs Adapter | Accidental Extubation Water Lavage Low FIO2 w. high Peak Inspiratory Flow |
| O2 Reservoir | Used to maintain FIO2 w/ increased liter flow |
| O2 Tents | Pediatric Use-1 degree for aerosol delivery Croup & Cystic Fibrosis |
Created by:
Langhout1418
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