Red Cross Emergency Oxygen Test
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17 Terms
When giving mouth-to-mouth ventilations, the air has _______% concentration of oxygen.
16%
When using a BVM without oxygen to give ventilation's, the air has ______% concentration of oxygen.
21%
What does hypoxia mean?
Low amount of oxygen reaching the tissues.
What are symptoms of hypoxia?
Increased heart rate & breathing rate; Changes in cousciousness; Restlessness; Chest Pain; Cyanosis (bluish discoloration of skin)
What pulse oximeter reading indicates possible hypoxia?
94% and below.
You are checking your patient's respiration rates. When should you administer emergency oxygen based on your findings? Adult, Child, or Infant?
Adult: less than 12 bpm or more than 20 bpm.
Child: less than 15 bpm or more than 30 bpm.
Infant: less than 25 bpm or more than 50 bpm.
What should you be looking for when you are using a BVM to know that your ventilation's are effective?
Chest rising and falling.
What reading on the pressure gauge would indicate that you need to replace the tank?
200 psi or less
What is a flowmeter?
Measures the flow of oxygen & is used to set the liters per minute to regulate the flow.
What are the flow rates for each of the four delivery rates?
Nasal Cannula= 1-6 Lpm
Resuscitation Mask= 6-15 Lpm
Non-Rebreather= 10-15 Lpm
BVM= 15 Lpm or more
In what units does a flowmeter measure in?
Liters per minute (LPM)
What are the steps in order for using a mask with a BVM?
Assemble, Position, Seal, Open, Blow
Where specifically do you position the mask?
Rim between lower lip and chin
Rank the 4 delivery devices in order (highest to lowest) for concentration of oxygen it can deliver. What are the % for each?
Bvm= 90% or more
Non-Rebreather= up to 90%
Resuscitation mask= 35-55%
Nasal Cannula= 24-44%
Which delivery devices can you use on an unconscious victim?
All of them
Which delivery devices can you use on an unconscious victim in respiratory arrest?
Resuscitation mask with rescue breaths or BVM with bag squeezes
What interferes with a pulse oximeter reading?
Nail polish poor perfusion*, excessive movement, hypothermia, edema, cardiac arrest, carbon monoxide poisoning, anemia, cigarette smoking, and time lag.