3 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
(AG). 2) Next, ... expected based on the AG ... the change in AG ... Do you need an ABG ... depression, Obstructive Lung
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... (AG) = {Na - (Cl ... Pure Normal AG ... or restrictive lung ... disease (COPD,
#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 ... 24*PaCO2)/HCO3 Acid ... 70 mmHg on 100% mask ... Head or spinal cord