situated between top of cricoid & bottom of thyroid cartilage in larynx, site for surgical & advanced airway placement
agonal breathing
pattern of slow shallow irregular respirations, results from brain anoxia
hypoxia
increased respirations, insufficient oxygenation of the cells
sighing
incoluntary slow deep breath followed by prolonged expiration, hyperinflates the lungs & opens atelectatic alveoli, normally about once per min
minute volume
volume of air exchanged in 1 min, about 6000mL - 16,000mL average, necessary to remove CO2 & bring in sufficient supplies of O2
respirations
exchange of gases between the body cells & the atmosphere
patent (airway)
open or unblocked, functioning all the way to the cellular level including pulmonary, blood flow & neuro stimulation
PO2 or PCO2
abbreviation for partial pressure of O2 or carbon dioxide
cheyne-stokes breathing
regular pattern of gradually incerasing rate & tidal volume followed by gradual decrease & then short period of apnea, associated with brainstem insult