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Fundamentals Unit 5

SPC Fundamentals Unit 5 Exam 3

QuestionAnswer
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