26 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... tubal acidosis and metabolic ... alkalosis, Ketonuria ... renal failure Hypervolemia ... #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Periodic paralysis Alkalosis ... Metabolic alkalosis ... Algorithm #Diagnosis #Causes ... #Workup #Nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Low intake • Metabolic ... Renal Losses: • Metabolic ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... suggests extra-renal causes ... Pressure: - Metabolic ... Alkalosis: Emesis ... differential #potassium #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... Alkalosis - Differential ... aldosteronism #Metabolic ... Diagnosis #Algorithm #Nephrology ... #Causes
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... • Metabolic acidosis ... blockers - MCW Nephrology ... MCW_Nephrology #HyperKalemia
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... , Gitelman syndrome ... the indicated causes ... #Metabolic #Alkalosis ... urine #Algorithm #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
alkalosis ↓ ↑ ... alkalosis/Resp ... D-lactate (short bowel syndrome ... of Metabolic Alkalosis ... Diagnosis #Summary #Nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
Causes of Metabolic ... thiazide-sensitive site) Metabolic ... after fasting #Metabolic ... #Diagnosis #Causes ... #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology Gitelman Syndrome ... H+ secretion → Hypokalemia ... Metabolic alkalosis ... Pathophysiology #nephrology