Ventilation Strategies During Anesthesia — Flashcards

Flashcard 1: Assist Control Mode Ventilation has a risk of _____ventilation

Answer: hyper::hyper/hypo

Flashcard 2: In the Berlin definition of Acute Respiratory Distress Syndrome (ARDS), what is the PaO2/FiO2 ratio threshold for diagnosis?

Answer: ≤ 300 mmHg (with PEEP or CPAP ≥ 5 cmH2O)

Extra: ARDS Severity Categories (Berlin Definition): • Mild: 200 < P/F ratio ≤ 300 • Moderate: 100 < P/F ratio ≤ 200 • Severe: P/F ratio ≤ 100

Flashcard 3: What is the next step in management for a patient failing standard oxygen therapy?

Answer: High-flow nasal cannula (HFNC) or Non-invasive ventilation (NIV)

Flashcard 4: What is the target PaO2 for lung protection in ARDS ventilation?_____

Answer: 55-80mm Hg

Flashcard 5: HFNC _____ the positive end-expiratory pressure (PEEP), and reduces the work of breathing

Answer: increases

Flashcard 6: _____ delivers oxygen at 40-60 L/min and increases PEEP

Answer: High-flow nasal cannula

Flashcard 7: The following capnography waveform represents: _____

Answer: spontaneous breathing

Flashcard 8: The following capnography waveform represents: _____

Answer: single lung transplant

Flashcard 9: The following capnography waveform represents: _____

Answer: IMV in midst of spontaneous breathing

Flashcard 10: The following capnography waveform represents: _____

Answer: esophageal intubation