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Acid Base Disorders - Formulas for appropriate metabolic and respiratory compensation

- Dr Amith Sreedharan - Consultant
Base Disorders - Formulas ... metabolic and respiratory ... compensation ... #Formula #Winters ... Diagnosis #Nephrology #AcidBase
Prediction of Compensatory Responses on Simple Acid-Base Disturbances

#acidbase #compensation #metabolic #respiratory #diagnosis #calculations #formulas #acidosis #alkalosis
Disturbances #acidbase ... #compensation # ... metabolic #respiratory ... #diagnosis #calculations ... #formulas #acidosis
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Differential Diagnosis Algorithm ... HCO3 12:10 • Respiratory ... HCO3 7:10 • Respiratory ... < 35 mmHg) #AcidBase ... #Causes #Compensation
Acid-Base Disorders - Expected Compensation Equations

Metabolic Acidosis:
 • pCO2 = 1.5 x HCO3 + 8 ±
Disorders - Expected Compensation ... ± 2 (Winter’s formula ... pCO2 ↑ 0.7 Respiratory ... #Acid #Base #AcidBase ... #Disorders #Compensation
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
that any given case ... implies being able ... NegativePredictiveValue #Calculation ... #Table #PPV #NPV ... #Formulas #Statistics
Fluid Responsiveness and Fluid Tolerance Testing - OnePager Summary
Fluid resuscitation can be beneficial when required or
(PPV) with the respiratory ... using proprietary formulas ... cardiac output causes ... high degree of respiratory ... to the central circulation