Critical Care — Flashcards

Flashcard 21: Arterial CO2 tension >_____ mm Hg in the absence of metabolic alkalosis is an indication for mechanical ventilation

Answer: 50

Flashcard 22: According to the Surviving Sepsis Campaign (EGDT), the mixed venous oxygen saturation (SvO2) target is _____

Answer: >65%

Extra: Central venous oxygen saturation (ScvO2) target is >70%. Mixed venous oxygen saturation (SvO2) target is >65%. These were components of Early Goal-Directed Therapy (EGDT) as described in the Rivers trial and earlier Surviving Sepsis Campaign bundles. Note that more recent guidelines focus on dynamic measures of fluid responsiveness rather than static pressure or saturation targets.

Flashcard 23: In a patient with distributive cold shock with tachycardia, hypotension, and delayed capillary refill, the next best step would be to administer a _____ ml/kg normal saline bolus through a peripheral IV line

Answer: 20

Flashcard 24: In a patient already recieving HFNO, endotracheal intubation must be considered if the patient deteriorates rapidly or does not improve after a short trial of _____ hour(s)

Answer: 1