9 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes ... #nephrology #magnesium ... #low
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... (K) & magnesium( ... #differential # ... potassium #nephrology ... #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Algorithm Cl- ... alkalosis • Normal/low ... the indicated causes ... of sodium and potassium ... #nephrology #differential
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Diagnosis Algorithm ... #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... osmotic diuresis, Potassium ... #differential # ... diagnosis #nephrology ... #magnesium #low
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... Gittelman's syndrome • Magnesium ... #Hypokalemia #Nephrology ... #Differential #
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... Hypokalemia (renal potassium ... ratio 0.5%) Differential ... Supplement: • Potassium ... • Magnesium
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... urine Na/Cl > 1.6, low ... correcting serum potassium ... hypokalemia #diagnosis #differential ... #algorithm #nephrology