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Acid Base Disorders - Formulas for appropriate metabolic and respiratory compensation

- Dr Amith Sreedharan - Consultant
Acid Base Disorders ... for appropriate metabolic ... #Acidosis #Alkalosis ... #Compensation # ... Winters #Diagnosis #Nephrology
Summary of metabolic compensation for respiratory acid-base disorders
#Diagnosis #Nephro #Respiratory #Acidosis #Alkalosis #Metabolic #Compensation #Formulas #Curbsiders
Summary of metabolic ... compensation for ... respiratory acid-base ... disorders #Diagnosis ... #Respiratory #Acidosis
Acid-Base Disorders - Differential Diagnosis Framework

 • Respiratory Acidosis
 • Respiratory Alkalosis
 • Metabolic Acidosis
 •
Acid-Base Disorders ... • Respiratory Acidosis ... Acidosis • Metabolic ... AcidBase #Acid #Base ... #Disorders #nephrology
Acid-Base Disorders - Differential Diagnosis Algorithm
Acidemia (pH < 7.35)
 • Metabolic Acidosis (HCO3 < 24mmol/L) CO2
Acid-Base Disorders ... pH < 7.35) • Metabolic ... Acidosis (HCO3 ... • Respiratory Acidosis ... Algorithm #Causes #Compensation
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... Disorders - Evaluation ... chronic) of the disorder ... the appropriate compensation ... #Disorders #Evaluation
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Metabolic acidosis ... #AcidBase #disorders ... Diagnosis #Summary #Nephrology ... bloodgas #Acid #Base
Acid Base Compensation - Directions - If all three variables (pH, HCO2, pCO2) move in the
Acid Base Compensation ... Nephro #AcidBase #Acidosis ... #Alkalosis #Metabolic ... #Respiratory #Compensation
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... • Normal Acid-Base ... acidosis: Gl tract ... acidosis: Proximal ... potassium #low #nephrology
Blood Gas (ABG) Interpretation and Acid-Base Pathology
1- Does the patient have an acidosis or an alkalosis?
Interpretation and Acid-Base ... patient have an acidosis ... compensation ... acidosis, you need ... #Acidosis #Alkalosis
PLACO Mnemonic - Approach to Acid-Base Disorders
P - Determine the pH
L - Labs: PCO2 & HCO3
A
Approach to Acid-Base ... Disorders P - ... Anion Gap C - Compensation ... AcidBase #Acid #Base ... #diagnosis #nephrology