10 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... acidosis: Gl tract ... acidosis: Proximal ... Algorithm #causes #potassium ... #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm Cl ... Kidney loss of Cl ... of sodium and potassium ... urine #Algorithm #nephrology ... #differential #
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... (AG) = {Na - (Cl ... Metabolic acidosis ... Step 5 - Differential ... Diagnosis #Summary #Nephrology
Causes of High-anion Gap and Non-anion Gap Metabolic Acidosis
Causes of High-anion Gap Acidosis:
 • Lactic acidosis
Non-anion Gap Metabolic ... Potassium-sparing ... ACE-Is and ARBs ... #Acidosis #differential ... diagnosis #causes #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Pressure: - Metabolic ... acidosis: Proximal ... diagnosis #Algorithm #differential ... #potassium #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... infusions) - Metabolic ... acidosis - Hyperkalemia ... #high #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - Differential ... Excessive vomiting - Metabolic ... acidosis - Cl ... Hypochloremia #Differential ... Pathophysiology #Nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • NSAIDs • ACE ... infusions) - Metabolic ... acidosis - Hyperkalemia ... #high #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Alkalosis: Differential ... chronic respiratory acidosis ... other • Severe potassium ... #Alkalosis #Differential ... Diagnosis #Causes #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Hypochloremic metabolic ... ratio 0.5%) Differential ... Renal tubular acidosis ... Supplement: • Potassium ... Syndrome #diagnosis #nephrology