9 results
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... Metabolic alkalosis ... Metabolic acidosis ... of Metabolic Alkalosis ... Diagnosis #Summary #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... the indicated causes ... #Metabolic #Alkalosis ... urine #Algorithm #nephrology ... #differential #
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... Metabolic alkalosis ... Algorithm #Diagnosis #Causes ... #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 ... #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... with renal tubal acidosis ... and metabolic alkalosis ... #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... alkalosis - Fistulas ... metabolic acidosis ... metabolic alkalosis ... Pathophysiology #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... Alkalosis: Emesis ... acidosis: Proximal ... diagnosis #Algorithm #differential ... #potassium #nephrology
Metabolic Causes of Kidney Stones in Children
 • Calcium Oxalate: Primary Hyperoxaluria type 1-3, Secondary Hyperoxaluria
Metabolic Causes ... in Children • Calcium ... Renal Tubular Acidosis ... Stones #pediatrics #nephrology ... #differential #
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal ... (spot urine, calcium-creatinine ... ratio 0.5%) Differential ... Renal tubular acidosis ... Syndrome #diagnosis #nephrology