Emergency Paediatric Formulas

Formulas
ETT Sizes
Weight. Tube size. Catheter
1000gm. 2.5 mm 5 Fr.
1-2 kg. 3.0 mm 6 Fr
2-3 kg. 3.5 mm. 7 Fr
>3 kg. 4.5 mm 8 Fr
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ET tube length at lips
Wt+ 6 cm
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UAC : 3 * birth wt + 9
UVC : (0.5 * UaC )+ 1
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Blood Transfusion :
Desired rise in Hb *wt*4
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QTc = QT/square root of RR
RR are the small square between 2 RR
QT interval = count the no of small square then multiply by 0.04 sec
Normal : 0.35-0.45 @ 60-100/min

NaHco3 required = wt*(12-actual bicarbonate in mol/lit) *0.3

Base deficit*wt*0.3 = ml of 8.4 % sol

Nacl required = wt *(125-actual S sodium mmol/l ) *0.6

PRBC in ml = wt(kg) *4*(10-observed Hb)
WHOLE blood in ml =wt*6(10-observes Hb)