APNEA,

APNEA

Dr Charanraj HunnalliDM PG (Neonatology)ApneaCessation of airflow for at least 20 seconds or accompanied by bradycardia or cyanosis. Bradycardia and cyanosis are usually present after 20 sec. of apnea. After 30 to 45 sec., pallor and hypotonia are seen, and infant may be unresponsive to tactile stimulation.2Periodic BreathingRecurrent sequences of pauses in respiration lasting for 5-10 seconds and followed by 10-15 seconds of rapid respiration.3TYPESCENTRALNo respiratory effort, no nasal airflowDevelopmental phenomenonOBSTRUCTIVE respiratory effort, no nasal airflow, HR Caused by aspiration,Obstruction, laryngospasm or poor airway controlMIXEDBoth obstructive and centralPERCENTAGE OF APNEA:Central 40-45%Obstructive 10-15%Mixed 40-45%More premature = more mixed

6INCIDENCE OF APNEA:

25 % of infants under 1800 grams /