17 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Approach to Acid Base Disorders ... Evaluation and Differential ... Do you need an ABG ... approximates an ABG ... Differential Diagnosis
Acid-Base Disorders - Differential Diagnosis Framework

 • Respiratory Acidosis
 • Respiratory Alkalosis
 • Metabolic Acidosis
 •
Acid-Base Disorders ... - Differential ... • Metabolic Acidosis ... • Metabolic Alkalosis ... #nephrology #differential
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acid Base Disorders ... Metabolic alkalosis ... Metabolic alkalosis ... D-lactate (short bowel syndrome ... Diagnosis #Summary #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... , Gitelman syndrome ... #Metabolic #Alkalosis ... #Algorithm #nephrology ... #differential #
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... Alkalosis - Differential ... (late) • High Urine ... #Alkalosis #Differential ... Diagnosis #Algorithm #nephrology
Approach to Elevated Bicarbonate (HCO3)
Risk Factors for Hypercapnea? (Hx of COPD, OSA, sedative use, CNS/muscular disorders?)
(+)
, CNS/muscular disorders ... for Respiratory Acidosis ... Gas) (-) Likely Metabolic ... Alkalosis Urine ... Barter, or Gitelman Syndrome
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... (late) • High Urine ... #Alkalosis #Differential ... Diagnosis #Algorithm #Nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
(NAGMA) - Differential ... NAGMA - Chem, ABG ... #Metabolic #NAGMA ... #Differential ... Diagnosis #Workup #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... Alkalosis: Differential ... chronic respiratory acidosis ... #Alkalosis #Differential ... Diagnosis #Causes #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... Alkalosis: Emesis ... acidosis: Proximal ... diagnosis #Algorithm #differential ... #potassium #nephrology