Med Surg II - Cardiac Arrest/Hemodynamics (U2) Exam Questions and Answers with Verified Solutions | Latest Updated 2026

Med Surg II - Cardiac Arrest/Hemodynamics
(U2) Exam Questions and Answers with
Verified Solutions | Latest Updated 2026



S/S of impending cardiac arrest threatened airway
RR <8 or >28
SpO2 <90%
HR <40 or >140
SBP >180 or <90
UO <50mL in 4hr
acute mental status change
staff member has significant concern about
the pt's
condition


shockable rhythms v tach
v fib
*cannot shock asystole

, code considerations establish 2 min cycle of compressions,
switching
compressors, pulse/rhythm checks
limit time off chest <10 sec
closed loop communication
good breaths (seal, chest rise)
- 30:2 or Q5-6 sec if advanced airway in
place
recorder keeps time for compressions,
meds,
shocks, etc
can't see rhythm during active CPR, verify
before
defib


ETCO2 monitoring - adequate >15
perfusion


ETCO2 monitoring - poor <10
CPR/death


ETCO2 monitoring - ROSC a sharp increase indicates ROSC



post-cardiac arrest syndrome anoxic brain injury
systemic inflammatory response syndrome
(SIRS)
clotting
MODS
impaired immunity
impaired vasoregulation
myocardial dysfunction
adrenal dysfunction