13 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
- Hypokalemia ... - Osmotic diuresis ... syndrome - ... Diagnosis #Low # ... Magnesium #Table
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... and Gitelman syndrome ... with secondary, hypocalcemia ... renal transplant, Diuretic ... #nephrology #magnesium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Loop and thiazide diuretics ... , Gitelman syndrom ... #causes #potassium ... #low #nephrology
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... with thiazide diuretic ... Surreptitious diuretic ... #Gitelman #Syndrome ... #diagnosis #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... Before evaluating hypokalemia ... Alkalosis: Emesis, Diuretics ... , Gitelman syndrome ... potassium #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... of hypokalemia ... Post-hypercapnia • Diuretics ... , Gitelman's syndrome ... #causes #nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... >20 mEq/24 h - Diuretics ... , Gitelman's syndrome ... #Algorithm #nephrology ... #causes #low #potassium
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
patients with hypokalemia ... Urine Cl - Loop diuretics ... , Thiazide diuretics ... , Gitelman syndrome ... #nephrology
Gitelman Syndrome - Diagnosis and Workup
Blood Work:
 - Hypokalemia
 - Hypomagnesemia
 - Metabolic Alkalosis
 - Elevated
Gitelman Syndrome ... : - Hypokalemia ... Normotensive - No diuretic ... #Syndrome #Diagnosis ... #Workup #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... tubular transport • Diuretics ... • Barrter's/Gitelman's ... Licorice • Liddle's Syndrome ... #Nephrology #Differential