9 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid ... 3) Now, look at ... Do you need an ABG ... /base, a VBG approximates ... an ABG by adding
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis ... - Normal/low blood ... poisoning • Normal acid-base ... #Alkalosis #Differential ... Diagnosis #Algorithm #causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... /low blood pressure ... poisoning Normal acid-base ... the indicated causes ... #differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... of Metabolic Alkalosis ... #ABG #bloodgas ... #Acid #Base #Gas ... #VBG #differential
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Decreased Intake: • Low ... secretion • Acid-base ... components of acid-base ... metabolic alkalosis ... #Chloride
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Losses: • Normal Acid-Base ... Metabolic acidosis ... Diagnosis #Algorithm #causes ... #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Muscle weakness, dizziness ... alkalosis • Normal ... or low blood pressure ... Hypochloremic metabolic ... ratio 0.5%) Differential
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Acid-base ... Metabolic alkalosis ... #Hypokalemia #Differential ... #Diagnosis #Low
#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 ... (HCO3d-HCO3m) Metabolic ... Alkalosis ТНСО3 ... base Equation ... -2min Calcium chloride