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NBME 20 Answers
A previously healthy 32-year-old woman is brought ...
Patient in hypovolemic shock - the clues are low BP and COOL skin. Hypovolemic shock is caused by fluid loss.
The patient has decreased preload b/c of fluid loss, i.e. there is decreased blood volume returning to heart --> thus decreased preload.
@endochondral w/ hypovolemic shock you would see increased systemic arterial resistance as arteries will constrict to try and bring BP back up.
@endochondral dec SVR it typicaly of septic shock.