Exam 6 - Oxygen Flashcards
What level is environmental oxygen at at sea level?
21%
What levels you need to know when you’re talking about oxygen?
Hemoglobin and red blood cells
Normal respiration rate for elders
16 to 20 respirations per minute
Who cannot initiate oxygen therapy?
Unlicensed personnel
Decrease in arterial oxygen
Hypoxemia
Decrease in oxygen supply to tissues
Hypoxia
What does a lack of oxygen make someone look like?
Cyanotic-blue
What are some signs and symptoms of low oxygen? 7
Changes in heart rate, diaphoresis, cool extremities, decreased level of consciousness, slurred speech, drowsiness, apathy
What is oxygen transport to tissues dependent on? 4
Cardiac output, arterial oxygen content, concentration of hemoglobin, metabolic requirements
Can you give oxygen without an order?
No, not unless during a code.
It’s been on 50% oxygen for more than 48 hours, patient is at high-risk for what?
Oxygen toxicity
If patient has been on 100% oxygen for over 24 hours what are they at risk for?
Oxygen toxicity
Who needs as little oxygen as possible? And why?
COPD patients, otherwise it will knock out their drive to breathe
Absorption atelectasis
Collapsed lung
An action that really affects breath sounds
Smoking
