SPC Mechanical Ventilation Unit 2 Exam 1
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| show | The volume of air inspired per minute. Ventilation rate of humans is 4-5L/min.
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| What is Perfusion? | show 🗑
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| What is deadspace? | show 🗑
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| show | Pulmonary Emboli
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| show | Perfusion without Ventilation
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| What are examples of Pulmonary Shunt? | show 🗑
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| show | Ventilation matches Perfusion Ideally 1.0 but normally 0.8
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| show | No Ventilation & No Perfusion
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| The A-A O2 Gradient is also know as what? | show 🗑
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| show | PaO2/FIO2
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| What ratio of PaO2/FIO2 is considered normal? | show 🗑
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| show | <200 mmHg
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| show | Partial Pressure of Arterial O2
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| show | Partial Pressure of Alveolar O2
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| What is the normal range for the PaO2/PAO2 ratio? | show 🗑
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| What percent is considered poor oxygenation transfer and increased shunting in calculating PaO2/PAO2? | show 🗑
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| What percent is considered critical in calculating PaO2/PAO2? | show 🗑
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| show | Hypoxemia that has a significant response to an increase in FIO2 simply due to V/Q mismatch
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| show | Hypoxemia that does not respond to an increase in FIO2 due to combination of anatomic and capillary shunting
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| show | Anatomic + Alveolar = Physiologic Dead space
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| What is the abbreviation for Anatomical Dead space? | show 🗑
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| What is the abbreviation for Alveolar Dead Space? | show 🗑
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| What is the abbreviation for Mechanical Dead Space? | show 🗑
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| What is Anatomical Dead Space? | show 🗑
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| What is Alveolar Dead Space? | show 🗑
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| What is Mechanical Dead Space? | show 🗑
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| What does PECO2 stand for? | show 🗑
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| Exhaled O2 can be collected in what? | show 🗑
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| What is the Normal Value for PECO2? | show 🗑
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| VD/VT is an abbreviation for what? | show 🗑
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| show | (PaCO2-PECO2)/PaCO2
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| show | 20%-40%
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| What percentage of VD/VT is incompatible with spontaneous respiration? | show 🗑
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| Mechanically Ventilatted patients usually have what VD/VT? | show 🗑
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| show | Pulmonary Embolus patients
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| What is the abbreviation for Alveolar Ventilation? | show 🗑
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| What is the formula for (VD) Dead Space Volume? | show 🗑
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| What is the formula for (VA) Alveolar Ventilation? | show 🗑
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| What is Lung Compliance? | show 🗑
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| What is Thoracic Compliance? | show 🗑
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| show | The sum of the reciprocals of both lung and thoracic compliance
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| What is normal (CL) Lung Compliance? | show 🗑
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| show |
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| What is the formula for Total Compliance (CT)? | show 🗑
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| What is Static Compliance? | show 🗑
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| What is Dynamic Compliance? | show 🗑
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| show | (Volume/Pressure) or (Liters/cmH2O) or (ml/cmH2O)
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| What is the normal range for static and dynamic compliance? | show 🗑
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| What is the Static Compliance Calculation? | show 🗑
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| show | Volume delivered by Ventilator/(Peak Airway Pressure - Baseline Pressure)
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| What does PIP stand for? | show 🗑
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| show | Positive End-Expiratory Pressure
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| show | 1. Congestion (congestive heart failure, pulmonary edema)
2. Atelectasis
3. Fibrosis (scar tissue in the lung)
4. Pneumonia
5. Emphysema (Floppy lungs are very compliant)
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| show | 1. Kyphoscoliosis (severe curvature of the spine)
2. Pectus Excavatum (sunken chest with depressed sternum)
3. Ascites (Excess fluid in the gut)
4. Obesity (Pickwickian Syndrome)
5. Chest Strapping
6. Diaphragmatic Impairment
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| show | Both Lung and Thoracic Compliance
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| Dynamic Compliance will be altered by changed in what? | show 🗑
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| What is Airway Resistance? | show 🗑
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| show | (Raw)
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| show | (RAW) = PIP - "P(Plateau)"/flow
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| show | 1-2 cmH2O per liter/sec
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| show | 13-18 cmH2O per liter/sec or more
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| What 3 factors affect airway resistance? | show 🗑
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| show | Low
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| show | True
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| show | 40-45%
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| Narrow or curved airway results in what kind of resistance? | show 🗑
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| show | Low
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| Patients with artificial airways i.e. ET Tubs or Tracheostomy will have resistance of what? | show 🗑
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| What is the normal range for pH of ABG? | show 🗑
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| show | 35-45 mmHg
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| show | 80-100 mmHg
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| What is the normal range for HCO3 of ABG? | show 🗑
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| show | -2 to +2
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| What is the relationship between changes in PaCO2 and pH? | show 🗑
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| What is a probable VENOUS sample? | show 🗑
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