Oxygen Therapy / Oxygen Administration Flashcards
How would we know if a pt needs therapy
count their respiration
pulse oximeter
How does a pulse oximeter work?
measures O2 concentration in blood
normal range is 95-100%
93-94 - moniter
92 - immediate attention
nasal cannula
24-44%
used if pt feels uncomfortable with maskes
portable and long term
Simple face mask
covers nose and mouth
small hole at sides to allow expired CO2 and room air - diluted
35-50% O2
Venturi Mask
Allows a precise amount of oxygen delivered
coloured coded adaptors show amount of oygen
Nonrebreather Mask
side holes are covered by mask, exhaling causes flap to rise up, and breathing in causes flap to close so no outside air enters the mask
60-80%
BVM for Mechanical Ventilation
Bag Valve Mask
Forces air into the lungs
used in emergencys