resp Flashcards
Ventilation
Movement of air between the environment and lungs via inhalation and exhalation
- physical act of moving air in and out
Respiration
Delivery of oxygen and removal of carbon dioxide
Tracheal deviation
Clinical sign that results from unequal intrathoracic pressure within chest cavity
Can be caused by pacemaker
FiO2
Concentration of O2 that a person inhales
% of O2 in Amount of air we inhale everyday
21%
Low flow concentration devices
NP, simple mask, NRB
High flow devices
Venturi, large volume neb, optiflow, heated humidified therapy
O2 saturation
Fraction of o2 saturated hemoglobin relative to total hemoglobin in the blood
Goals of O2 therapy
Correct hypoxrmia, decrease wob, achieve eupneic respirations, decrease myocardial workload, decrease anxiety