ACCURATE ANSWERS |LATEST VERSION 2025\26
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PQRST
P wave: SA node
QRS Complex: depolarisation of ventricles and ventricular contraction
T Wave: ventricular repolarisation. related to electrolytes.
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ECG 2 Paediatric airway differences
3 cardiogenic shock 4 Wheezing
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Terms in this set (59)
- airway narrower
- head larger so flexes on neck can cause partial obstruction
Paediatric airway differences - small mouth but large tongue
- nasal breather up to 6 months
- higher larynx (creates sharp angle)
- small resting lung volume so low o2 reserve
Paediatric breathing differences
-relies on diaphragm more than muscles
circulating volume newborn= 80ml/kg
Paediatric circulation differences decreases to around 60-70ml/kg in adulthood
MAP more accurate than systolic BP
Inspiratory upper airway noise. high-pitched. airway
Stridor
narrowing/obstruction
Expiratory lower airway noise. whistling breath sound suggests
Wheezing
obstruction/narrowing of lower airways. asthma/bronchiolitis.
an 'uh' sound during exhalation. mainly neonates/small infants.
Grunting
sign of severe compromise.
delivery of oxygenated blood + nutrients to the body tissues is
Shock
inadequate for metabolic demand.