11 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base ... Evaluation and Differential ... than expected based ... Differential Diagnosis ... Evaluation #workup #Differential
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... - Differential ... responsive metabolic alkalosis ... • Normal acid-base ... #Differential #
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic Alkalosis ... - Differential ... hyperaldosteronism • High PRA: Renal ... Primary #Metabolic #Alkalosis ... #Differential #
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... - Differential ... hyperaldosteronism • High PRA: Renal ... aldosteronism #Metabolic #Alkalosis ... #Differential #
Acid Base Disorders Worksheet

Step 1: Gather the necessary data (Na+, CI-, HCO3-, PH, pCO2). Preferably, all
Acid Base Disorders ... anion gap (Na - Cl ... diagnoses using the differentials ... joshsteinbergMD #Acid #Base ... Worksheet #diagnosis #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Differentials? ... (AG) = {Na - (Cl ... bloodgas #Acid #Base ... #Gas #VBG #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... Kidney loss of Cl ... • Loss of Cl- ... poisoning Normal acid-base ... Algorithm #nephrology #differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Glucose, Acute resp. alkalosis ... FEPO4 ≥ 5% - Renal ... Denosumab, Estrogen based ... Hypophosphatemia #Differential
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic Alkalosis ... - Differential ... hyperaldosteronism • High PRA: Renal ... escape #Metabolic #Alkalosis ... #Differential #
#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
#ICUCard RENAL ... Osmolar Gap ACID-BASE ... 2)| Metabolic Alkalosis ... pCO2 Respiratory Alkalosis ... PaCO2)/HCO3 Acid base