A patient is in shock. In this patient,
a. cuff pressures may be unreliable.
b. cuff pressures are more accurate than A-line pressures.
c. cuff pressures and A-line pressures should be nearly identical.
d. A-lines should not be inserted.
A
The situation is different if the patient has a low cardiac output or is in shock. The concern is that the cuff pressure may be unreliable because of peripheral vasoconstriction, and an arterial line is generally required.
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