10 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
3) Now, look at ... Do you need an ABG ... /base, a VBG approximates ... Differential Diagnosis ... #Diagnosis #acidosis
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... : • Normal Acid-Base ... Metabolic acidosis ... #Differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ) = {Na - (Cl + ... Diagnosis: Causes ... #bloodgas #Acid ... #Base #Gas #VBG
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... - Normal/low ... poisoning • Normal acid-base ... #Diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... poisoning Normal acid-base ... and potassium acid ... Algorithm #nephrology #differential ... #diagnosis
Lactic Acidosis - Differential Diagnosis Framework

Type A: Impaired O2 Delivery (DO2)
 • Decreased O2 Delivery: Hypotension
- Differential Diagnosis ... Hypotension & Hypovolemia ... PRIS), Valproic Acid ... • Presents as AG ... #Differential #
The crusade against “Ab”Normal Saline continues.  This is a non-physiologic fluid that can harm our
crusade against “Ab ... leads to Metabolic Acidosis ... Metabolic Acidosis ... the ECF causes Hyperkalemia ... criticalcare #management #diagnosis
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Acid-base ... Vitamin or folic acid ... Renal 1. ... #Differential # ... Diagnosis #Low #
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
Acidosis B. ... E-aminocaproic acid ... Drug-associated: heparin, low-molecular-weight ... #Differential # ... Diagnosis #High
#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
Osmolar Gap ACID-BASE ... AG S 8-16 mEq ... HCO3d-HCO3m) Metabolic Acidosis ... 9 Respiratory Acidosis ... base Equation