Airway obstruction Flashcards
when you go to speak, what does your vocal cords do
gently come close together
what are special features of children and airways?
relatively large tongue, narrow subglottis, primarily breathe through nose
what are the 3 factors that determine resistance to blood flow
vessel length, diameter, viscosity
what is the bernouilli principle
increased speed of fluid occurs with decrease in pressure
what is the equation for air flow resistance
1/r4
what are some causes of airway obstruction
inflammatory/ infective/ allergy foreign bodies compression/ invasion of airways trauma neurological and neoplastic causes burns
what are some signs of airway obstruction
SOB, stridor, coughing, choking, sternal recession, dysphagia, cyanosis, stertor
what would the diagnosis be of a child with red, puffy and swollen face
adenotonsillar hypertrophy
what is acute epiglottitis
inflammation of the epiglottis
what infection causes recurrent respiratory papillomatosis
HPV 6 and 11
what is the presentation of recurrent respiratory papillomatosis
cold, clammy, seems fine and then collapses
Is recurrent respiratory papillomatosis important to diagnose
hell to the yeah!
if someone had a tiny rima glottidis, what would cause it
congenital subglottic stenosis
what is the commonest cause of subglottic stenosis in adults
vasculitis
when assessing children, what 3 things do you have to look at
appearance, work of breathing and skin circulation
