7 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Evaluation and Differential ... Generally, for acid ... /base, a VBG approximates ... @EmmGeezee #Acid
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... (AG) = {Na - (Cl ... Diagnosis #Summary #Nephrology ... #Acid #Base #Gas ... #VBG #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Losses: • Normal Acid-Base ... Low intake • Metabolic ... #Differential # ... potassium #low #nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Metabolic Acidosis ... , Pyroglutamic acid ... Acid loads (ammonium ... #Acidosis #differential ... diagnosis #causes #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Kidney loss of Cl ... poisoning Normal acid-base ... and potassium acid ... urine #Algorithm #nephrology ... #differential #
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
Lactic Acidosis - Differential ... Hypotension & Hypovolemia ... PRIS), Valproic Acid ... Inborn Errors of Metabolism ... AG acidosis with
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
ACID-BASE AG ... H_def 0 mEq Acid ... (HCO3d-HCO3m) Metabolic ... HCO3)+8 (+-2)| Metabolic ... base Equation