Chapter 11: Airway Management Flashcards
Nasopharynx
-Inhilation primarily through the nose
-Hairs act as filter
Oropharynx
-Prevent food and liquid from enetering respiratory system
Larynx
-Seperater between upper and lower airway
Ventillation
Moving air in and out of the lungs
Oxygenation
Loading O2 onto hemoglobin and into bloodstream
Respiration
Exchange of CO2 and O2 in the alveoli (external) as well at tissues (internal)
Alveolar Ventillation
-Volume of air that reaches the alveoli
-Tidal volume- dead space
Alveolar Minute Volume
-Amount of air moved through the lungs in 1 minute (minute volume)- dead space
Vital Capacity
Amount of air that can be forcefully expelled from the lungs after greatest possible inhilation
Intrinsic vs Extrinsic Factors
Intrinsic
-infections
-allergic reactions
-unresponsiveness
Extinsic
-trauma
External vs Internal Respirations
Internal
-pnemonia
-pulm edema
-COPD
External
-atmopsheric pressure
-PPO2
Abnormal Breathing
-<12 breaths/ min
-<20 breaths/ min
-Irregular rhythm
-Diminished or abscent
-Reduced flow
-Shallow depth
-Skin is pale, cyanotic, cool, moist
-Retractions
Ataxic Respirations
-Irregular or unidentifiable
-Head injury
Kussmaul Respirations
-DKA
-Tachypnea
ETco2
-Measured using capnometry
-Capnography
35-45mmHg