Lesson 5 - Oxygen and Suction Flashcards
hypoxemia
abnormally low levels of oxygen
hypoxia
inadequate oxygen supply to tissues
how long can the brain function without oxygen
six minutes
oxygen therapy goals
maintain adequate tissue oxygenation
minimize the increased heart rate associated with low oxygen levels
partial pressure
way of assessing the number of molecules of a particular gas in a mixture of gases
whats oxygen tension
amount of air in arteriole blood
written as
PaO2
what is used to prevent excessive acidity
HCO3
whats hypoventilation
inadequate ventilation of the lungs
Poor expulsion of carbon dioxide
whats a result of hypoventilation
hypercapnia
whats metabolic acidosis
electrolyte disorder caused by an imbalance in the body’s pH
whats a result of metabolic acidosis
respiratory acidiosis
Arterial blood gases (ABG)
a test by taking a sample of arterial blood for its concentration
Fraction of inspired oxygen FiO2
how much oxygen the patient is inhaled
troubled breathing patients is low
whats the percentage of oxygen in natural air
21%
horowitz index / carrico index
comparison of how much oxygen in blood vs how much inhaled
normal breaths per minute
adult; 15-20
child; 20-30
infant; 30-60
what is a pulsy oximetry
device used to monitor the oxygen saturation of hemoglobin
how is the pulse oximetry used
photodetector on a finger scanner calculates it
where is ABG happen
radial artery
brachial artery
femoral artery
who needs oxygen therapy
impaired oxygen intake, trauma, shock, sleep apnea, acute anxiety, COPD, lung tumours
oxygen delivery systems in hospital
piped into the room attached to the wall
flow rate 0-15LPM
portable oxygen in hospitals
in compressed and dispened tanks
Green is the universal colour for oxygen
2 types of oxygen delivery devices
low and high flow delivery
low flow delivery systems
patient breaths in natural air as well as 100% oxygen
amount may fluctuate