10 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Diagnosis Algorithm ... Hypokalemia • Hypomagnesemia ... GI: • Small bowel ... : • Aluminum/Magnesium ... endocrinology #causes
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Urine Mg < 10g • Diarrhea ... #Magnesium #Low ... #Causes #Differential
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... @NEPHKIDS1 #Hypomagnesemia ... #algorithm #differential ... #diagnosis #causes ... #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... #Differential # ... Diagnosis #Low # ... Magnesium #Table ... Classification #Causes
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... biliary fistula, Diarrhea ... intake, Small bowel ... #Causes #differential ... #low
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... - Normal/low ... Gitelman syndrome, Hypomagnesemia ... #causes #urinary
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... potassium(K) & magnesium ... Laxative use • Diarrhea ... consumption • Low ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... <20mmol/d • Diarrhea ... Gittelman's syndrome • Magnesium ... #Diagnosis #Algorithm
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... Gitelman syndrome, Hypomagnesemia ... the indicated causes ... #nephrology #differential