Preoxygenation Techniques — Flashcards

Flashcard 1: What is the recommended tidal volume (Vt) for standard lung-protective mechanical ventilation?

Answer: 6-8 mL/kg of Ideal Body Weight (IBW)

Extra: Lung-protective ventilation aims to prevent volutrauma and ventilator-induced lung injury (VILI). It is critical to calculate the volume based on **Ideal Body Weight (IBW)** based on height and gender, rather than actual weight, to avoid overdistension. In patients with ARDS, even lower volumes (4-6 mL/kg IBW) are recommended.

Flashcard 2: In mouth-to-mouth resuscitation, the percentage of oxygen delivered is _____%.

Answer: 16

Flashcard 3: _____ Ventilation is time-triggered, time-cycled, and pressure-limited.

Answer: Pressure Controlled

Flashcard 4: What are the two primary ventilator parameters used to control arterial oxygen tension (PaO2)?

Answer: FiO2 and PEEP

Extra: Arterial oxygenation (PaO2) is primarily controlled by adjusting the **FiO2** (Fraction of inspired oxygen) and **PEEP** (Positive End-Expiratory Pressure). In contrast, arterial carbon dioxide tension (PaCO2) is controlled by adjusting **Minute Ventilation** (Tidal Volume × Respiratory Rate).

Flashcard 5: What is the target SpO2 in ARDS ventilation?_____

Answer: 88-95%

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

Answer: High-flow nasal cannula

Flashcard 7: _____ delivers oxygen at 40-60 L/min and increases PEEP

Answer: High-flow nasal cannula

Flashcard 8: The following capnography waveform represents: _____

Answer: spontaneous breathing

Flashcard 9: The following capnography waveform represents: _____

Answer: single lung transplant

Flashcard 10: The following capnography waveform represents: _____

Answer: IMV in midst of spontaneous breathing