Unit 2 Quiz - Amy's Class Flashcards
3 Goals of oxygen therapy
Improve hypoxemia
Decrease the work of the heart
Decrease the work of breathing
What is used to treat refractory hypoxemia?
Cpap, bipap, peep (anything with positive pressure)
Determine hypoxemia
Math
Most accurate blood sample???
Comes from the swan Ganz catheter, which is located from the jugular to the pulmonary artery
What is the 1st (main) thing that compensates for hypoxemia?
Tachycardia
What causes us to take a breath?
High CO2
Define polycythemia
Increase number of RBC, and it occurs from chronic hypoxemia
Anemia hypoxia
Sickle cell anemia, methemoglobinemia-nitrate poisoning
Stagnant hypoxia
Circulatory problems, shock, cardiovascular instability, regional vasoconstriction, emboli
Histotoxic hypoxia
Cyanide poisoning, alcohol poisoning
Hypoxemia hypoxia
V/Q mismatching, shunting, cardiac anomalies, atelectasis, pulmonary edema, hypoventilation