A practitioner decreases the oxygenation setting on the mechanical ventilator,which results in an increase in heart rate.This is _____________________
A) a first sign of hypoxemia.
B) an expected cardiovascular change.
C) typical with normal healthy patients.
D) an indication that the patient needs suctioning.

Question

Quizplus · Accepted Answer

An increase in heart rate is the first clinical sign of hypoxemia.If an increase in heart rate is noted shortly following a change in ventilator settings or modes and nothing else has changed (medication,pain,etc.),one should suspect oxygenation changes.

A Practitioner Decreases the Oxygenation Setting on the Mechanical Ventilator,which