Anesthetic Equipment and Monitoring — Flashcards

Flashcard 41: What are the characteristic changes in a capnography waveform during an **inspiratory valve malfunction**?

Answer: 1. Elevation of the baseline (inspired CO2 > 0) 2. Prolonged or slanted inspiratory limb (Phase IV)

Flashcard 42: A notch or dip in the alveolar plateau (Phase III) of a capnography waveform represents:_____

Answer: Curare clefts

Extra: Curare clefts appear as a notch or dip in the alveolar plateau (Phase III) of the capnogram. This finding indicates that the patient is making spontaneous respiratory efforts during mechanical ventilation, typically when neuromuscular blockade is wearing off or is insufficient.

Flashcard 43: _____ nerve stimulation is popularly used to assess the adequacy of neuromuscular blockade

Answer: Ulnar

Flashcard 44: _____ is the most commonly used depth of anesthesia monitor.

Answer: Bispectral index

Flashcard 45: Phase I depolarizing block and non-depolarizing block can be differentiated based on the _____

Answer: train of four ratio

Flashcard 46: The commonly used frequency of tetanic stimulation in neuromuscular monitoring is _____ Hz.

Answer: 50

Flashcard 47: Mapleson _____ circuit is also referred to as Ayre's T-piece

Answer: E

Flashcard 48: The white pipeline in operation theatre is for _____.

Answer: oxygen

Flashcard 49: Murphy's eye is seen in the _____

Answer: endotracheal tube (ETT) (Instrument)

Flashcard 50: The blue pipeline in operation theatre is for _____.

Answer: nitrous oxide