NBME Surgery Form 1 questions

[sahell]

1. Preop evaluation reveals chronic occlusion of lower limb veins and edema - How to manage preop?

I thought we would give therapeutic dose of Hep for DVT, which was wrong. Would be give low dose hep prophylaxis?

2. Patient is put on a ventillator probably because of ARDS - Tidal vol 1000ml, PEEP 2.5, FiO2 100%. What settings to change/add medications?

I thought the tidal volume was too high and would cause pneumothorax, so I chose to decrease it but that was wrong. Would we increase PEEP?

Also does anyone know a good resource for ventillator stuff for CK level?

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[NK9]

1. Preop evaluation reveals chronic occlusion of lower limb veins and edema - How to manage preop?

I thought we would give therapeutic dose of Hep for DVT, which was wrong. Would be give low dose hep prophylaxis?

2. Patient is put on a ventillator probably because of ARDS - Tidal vol 1000ml, PEEP 2.5, FiO2 100%. What settings to change/add medications?

I thought the tidal volume was too high and would cause pneumothorax, so I chose to decrease it but that was wrong. Would we increase PEEP?

Also does anyone know a good resource for ventillator stuff for CK level?

2. Answer is increase PEEP
I figured his O2 levels were too low to decrease tidal volume