95 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Aldosterone: Liddle's Syndrome ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... #low #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Aldosterone: Cushing syndrome ... 17alpha-hydroxylase deficiency, Syndrome ... excess, Liddle syndrome ... deficiency, Bartter syndrome ... , Gitelman syndrome
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
Gitelman syndrome ... from Bartter syndrome ... • Urine Ca/Cr ... #Gitelman #syndrome ... #nephrology #hypokalemia
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
↓ Aldosterone: Syndrome ... excess, Liddle's syndrome ... Diuretics, Bartter syndrome ... , Gitelman syndrome ... differential #potassium #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... • Tumor lysis syndrome ... glycosides • High acute ... Elimination: • AKI ... blockers - MCW Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Malignancy True hypovolemia ... • Nephrotic syndrome ... • Reduced GFR, AKI ... Hypo-osmolar urine
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... • Refeeding syndrome ... diuretics / Bartter's syndrome ... / Gittelman's syndrome ... intake • Liddle's syndrome
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Malignancy True hypovolemia ... • Nephrotic syndrome ... • Reduced GFR, AKI ... Hypo-osmolar urine
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm ... Low intake ... • Gitelman's syndrome ... • Bartter's syndrome ... #Causes #Classification
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... • Refeeding syndrome ... vomiting) • Low ... Differential #Diagnosis #Algorithm ... #nephrology #low