14 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Gl tract loss (Diarrhea ... , Gitelman syndrom ... #potassium #low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Algorithm GI LOSS ... Urine Mg < 10g • Diarrhea ... nephrocalcinosis (FHHNC) • Gitelman's ... syndrome • Thiazide ... #Magnesium #Low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... losses - Chronic diarrhea ... - Gitelman ... #Differential #Diagnosis ... #Low #Magnesium
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... alkalosis • Normal or low ... Congenital chloride diarrhea ... Supplement: • Potassium ... #Syndrome #diagnosis
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss: Diarrhea ... , Gitelman syndrome ... #differential #algorithm ... #diagnosis #nephrology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Algorithm - Urinary ... - Normal/low ... , Gitelman syndrome ... , Hypomagnesemia
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... Laxative use • Diarrhea ... , Gitelman syndrome ... #Hypokalemia #diagnosis ... #low
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential Diagnosis ... Algorithm Low ... Medication • Hypomagnesemia ... tubular acidosis • Gitelman's ... syndrome • Bartter's
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... Algorithm Defining ... Renal K loss • Hypomagnesemia-induced ... , Gitelman's syndrome ... #nephrology #potassium
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... • Refeeding syndrome ... losses (NG suction, diarrhea ... vomiting) • Low ... #low #potassium