SNAP

(Score for Neonatal Acute Physiology)

Mean B.P. (mmHg), maximum

Mean B.P. (mmHg), minimum

Temperature

Heart Rate, maximum

Heart Rate, minimum

Respiratory rate

PaO2 (mmHg)
PaO2/ FIO2 (FIO2 in %)
PaCO2 (mmHg)
Oxygenation Index (help)
Hematocrit , maximum
Hematocrit , minimum
W.B.C. (/ microL)
Immatures Ratio (help)
Absolute neutrophils
Platelets (/ microL)
B.U.N.
Creatinine
Urine Output (mL/kg/h)
Indirect Bilirubin
Direct Bilirubin
Sodium (mEq/L) maximum
Sodium (mEq/L) minimum
Stool Guaiac
Potassium (mEq/L) maximum
Potassium (mEq/L) minimum
Glucose maximum
Bicarbonate (mEq/L) maximum
Bicarbonate (mEq/L) minimum
Glucose minimum
Calcium (Ionised, max)
Calcium (Total, max)
Serum pH
Calcium (Ionised, min)
Calcium (Total, min)
SNAP
=

Apnea
Seizures
(Data with worst values are collected during the first 24 hours after N.I.C.U. admission)

 

Ref : Richardson DK et al. Score for Neonatal Acute Physiology : a physiologic severity index for neonatal intensive care. Pediatrics. 1993;91:617-23

 

 Web page : Jean-Yves Marandon Centre Chirurgical Marie Lannelongue (France)


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Immatures cells ratio = Sum (promyelocytes, myelocytes, metamyelocytes, bands-stabs) / ( total neutrophil count)

Limitations: The immature-to-total neutrophil ratio assumes that the findings are consequent to a left shift in neutrophilia and that there is no leukemia.

 

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Oxygenation Index

Mean Airway
Pressure
mmHg

Oxygenation Index
=

PaO2mmHg

FIO2
(ex: 0.6)

formula:
(PAW * FIO2) / PaO2

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