7 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... Start with the Anion ... 3) Now, look at ... Generally, for acid ... /base, a VBG approximates
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... ABG And BMP Normal ... Diagnosis #Summary #Nephrology ... #Acid #Base #Gas ... #VBG #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Losses: • Normal Acid-Base ... Metabolic acidosis ... Non-reabsorbable anions ... Algorithm #causes #potassium ... #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... /low blood pressure ... poisoning Normal acid-base ... of sodium and potassium ... urine #Algorithm #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Decreased Intake: • Low ... - Gitelman SIGNS ... secretion • Acid-base ... extracellular anion ... components of acid-base
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Acid-base ... Metabolic alkalosis ... nonreabsorbed anions ... Differential #Diagnosis #Low ... #Potassium #Classification
#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
Trans Tubular Potassium ... Osmolar Gap ACID-BASE ... - (Cl + НСО3) Anion ... Alkalosis ТНСО3 ... base Equation