Infant or Child Dose = (Age in Months / 150) x Adult DoseīSA = ((4 x Body Weight) + 7) / (Body Weight + 90)Įlastance = Change in Pressure / Change in Volume Infant and Children Dosage Estimation (Fried’s Rule) Infant Dose = (Body Weight in lbs / 150) x Adult Dose PVR = (MPAP – PCWP) x (80 / Cardiac Output)Ĭst = Tidal Volume / (Plateau Pressure – PEEP)Ĭdyn = Tidal Volume / (Peak Pressure – PEEP)Ĭhild Dose = (Age / Age + 12) x Adult Dose SVR = (MAP – CVP) x (80 / Cardiac Output) HR = 300 / # of large boxes between R waves MAP = (Systolic BP + (2 x Diastolic BP)) / 3 QS/QT = ((PAO2 – PaO2) x 0.003) / ((CaO2 – CvO2) + (PAO2 – PaO2) x 0.003)Īrterial-Mixed Venous Oxygen Content Difference (C(a-v)O2)Īrterial Oxygen Saturation Estimation (SaO2)ĭuration = (Gauge Pressure x Tank Factor) / Liter FlowĬPP = Mean Arterial Pressure – Intracranial Pressure WOB = Change in Pressure x Change in VolumeĪlveolar-Arterial Oxygen Tension Gradient (P(A-a)O2) Paw = ((Inspiratory Time x Frequency) / 60) x (PIP – PEEP) + PEEP VA = Respiratory Rate x (Tidal Volume – Deadspace)
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