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29 Cards in this Set

  • Front
  • Back
Lack of Sufficient Oxygen
The upper airway consists of the
nose, mouth, throat, and epiglottis
The lower airway consists of the
larynx, trachea, bronchi, and alveoli.
Average tidal volume for adult males is
500 mL
Air moves to the alveoli where the exchange of
gases occurs
Diffusion is
the movement of gas from a higher concentration to lower concentration.
Exhaled air contains approximately ___% oxygen
Carbon dioxide is the waste product of__________
Myocardial infarction
heart attack
Pulmonary edema
fluid accumulation in lungs
Shock(loss of red blood cells)
Chronic obstructive pulmonary disease (damage to alveoli)
Characteristics of normal or adequate breathing
Normal rate and depth (12 to 20 breaths/min in adults)
b. Children—15 to 30 breaths/min
c. Infants—25 to 50 breaths/min
is perceived to be difficulty of breathing or painful breathing.
In an unconscious patient, the most common airway obstruction is the
tongue, which falls back into the throat when the muscles of the throat and tongue relax.
Use this maneuver for patients who have not sustained trauma for openig the air way
Head tilt-chin lift maneuver
Use for patients with suspected spinal injury to open the air way
Jaw-thrust maneuver
Gas pressure in a full oxygen cylinder is
2,100 psi
what is the Preferred way of giving oxygen in the prehospital setting
Nonrebreathing mask
Capable of providing up to 90% inspired oxygen
Nonrebreathing mask
If the patient will not tolerate a mask, use a
nasal cannula
Fewer than 12 breaths/min or more than 20 breaths/ min in the presence of dyspnea is considered inadequate you should.
Artificialy Ventilate
Patients who are short of breath or cyanotic with cool, clammy skin need
Rate of artificial ventilations:
a. Adult—1 breath every 5 seconds

b. Children—1 breath every 3 seconds

c. Infants—1 breath every 3 seconds
The patient is receiving adequate ventilations if his or her chest
rises and falls
gastric distension
is bloating of the stomach when air is pumped into it
Sellick maneuver
This is also referred to as cricoid pressure
a rapid onset