sleep Apnoea and neuromuscular respiratory disease Flashcards
what is sleep apnoea syndrome
recurrent upper airway obstruction leading to apnoea during sleep
define hypopnea
reduction of airflow
what is microarousals
partial awakening from sleep
what is the epworth questionnaire
questionnaire on sleep
what does an oximetry test show
oxygen saturation drops
what is a polysomnography
shows ECG recording overnight
what is treatment for sleep apnoea
identify exacerbating factors
continuous positive airways pressure CPAP
what does CPAP do
creates positive pressure in throat to keep tissues apart
what is cataplexy
strong emotion or laughter causes a person to suffer sudden physical collapse though remaining conscious.
what are hypnagogic hallucinations
visual or sensory events that are usually breif and occur at the transition from wakefulness to sleep or sleep to wakefulness
what is the treatment for narcolepsy
modafinil
clomipramine for cataplexy
sodium oxybate (xyrem)
what are the stats for chronic ventilatory failure
elevated pCO2
pO2
if a patient has chronic ventilatory failure will their blood pH be normal
yes
why is there elevated bicarbonate levels in patients that have chronic ventilatory failure
as the body trys to adapt by releasing bicarbonate from the kidneys
what is a thoracoplasy
operation used for TB take away ribs
is TB a viral or bacterial infectin
bacterial
what are symptoms of chronic ventilatory failure
breathlessness orthopnoea ankle swelling morning headache recurrent chest infections disturbed sleep
define orthopnoea
breathless lying flat
why do patients with chronic ventilatory failure commonly get headaches in the morning
may be result of CO2 retention overnight. (co2 is a vasodilator,lead to cerebral dilatation which gives headaches)
why is it dangerous to give some patients with chronic ventilatory failure oxygen
switches off ventilatory drive and makes things worse
how long will a new born typically sleep in a day
16-18h
how long will an infant at 6 months typically sleep
14-15h with 1/2 naps during the day
how long will a 2 year old typically sleep
12h with 1 daytime nap
who has more lymphoid tissue children or adults
children