7 results
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
= (urine magnesium ... Hypomagnesemia #algorithm ... #differential # ... diagnosis #causes ... #nephrology #magnesium
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Diagnosis Algorithm ... Mg < 10g • Diarrhea ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... loss • Watery Diarrhea ... Hypernatremia #Nephrology ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
potassium(K) & magnesium ... A urine K/Cr ratio ... Laxative use • Diarrhea ... #differential # ... potassium #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... Loss (Negative urine ... net charge) • Diarrhea ... MetabolicAcidosis #NonGap #Nephrology ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... isolation) GI loss - Urine ... <20mmol/d • Diarrhea ... Gittelman's syndrome • Magnesium ... #Hypokalemia #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Congenital chloride diarrhea ... the indicated causes ... #Algorithm #nephrology ... #differential #