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Questions and Answers
If the patient has a tension pneumothorax, which of the following chest radiograph findings would be expected? (Select all that apply)
What is the interpretation of pH 7.42 and PaCO2 94?
Compensated Respiratory Acidosis with Moderate Hypoxemia
What should be suggested to correct the findings of pH 7.25 and PaCO2 58?
Increase FiO2 or PEEP to improve PaO2 and monitor the patient.
What does a FiO2 of 0.30 indicate?
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Who is the student transitioning from full ventilator support to Airvo?
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What is the goal of decannulation?
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Study Notes
Flow-Volume Loop
- Inspiration is represented by the yellow part of the loop.
- Expiration is represented by the pink part of the loop.
ABG Results and Interpretation - Mo
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Sample 1:
- pH: 7.42, PaCO2: 94, PaO2: 60, HCO3: 40
- Compensated respiratory acidosis with moderate hypoxemia
- Suggested corrections: Increase minute ventilation (VE) or respiratory rate (RR) to blow off CO2; increase FiO2 or PEEP for better oxygenation; monitor vital signs and ABG.
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Sample 2:
- pH: 7.44, PaCO2: 40, PaO2: 60, HCO3: 23
- Normal values with moderate hypoxemia
- Suggested corrections: Increase FiO2 or PEEP for improved oxygenation.
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Sample 3:
- pH: 7.25, PaCO2: 58, HCO3: 24
- Normal acid-base balance
- Suggested corrections: Increase FiO2 or PEEP to improve PaO2; monitor the patient.
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Sample 4:
- pH: 7.35, PaCO2: 435, PaO2: 80, HCO3: 23
- Normal acid-base balance
- Suggested corrections: No action needed; patient is oxygenating and ventilating normally.
Clinical Goal
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Goal #1: Transitioning from full ventilator support to Airvo for Mohammed Jallow
- Assess readiness for transition and monitor respiratory status.
- Gradually reduce invasive support while introducing Airvo with proper settings and humidification.
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Goal #2: Decannulation for Mohammed Jallow
- Follow a structured weaning program: downsizing the tube, conducting capping trials, and monitoring for distress.
- Successful trials allow for tube removal, with the site covered to heal.
Question 11: Tension Pneumothorax Findings
- Expected radiograph findings:
- Elevated diaphragm
- Mediastinal shift to unaffected side
- Increased translucency on the side of the pneumothorax
- Atelectasis may also be present.
Question 12: Independent Atrial Block
- Characterized by a faster rate than the atrial rate on heart rate monitor.
- Costophrenic blunting can indicate fluid or consolidation presence.
- Costophrenic blunting also occurs from lung hyperinflation (e.g., in COPD) due to diaphragmatic flattening.
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Description
This quiz focuses on interpreting arterial blood gas (ABG) results, specifically related to the respiratory system. You will analyze key parameters such as pH, PaCO2, and PaO2, determining compensation and oxygenation levels. Ideal for students in healthcare or respiratory therapy programs.
