9 results
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Diagnosis Algorithm ... Urine Mg > 10g • Loop ... #Differential #
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Vomiting • NG suction ... • Diuretics (loop ... /thiazide) • Hypomagnesemia ... #Causes
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... loss if renal function ... @NEPHKIDS1 #Hypomagnesemia ... #algorithm #differential ... #diagnosis #causes
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Nasogastric suction ... disease Drugs: - Loop ... #Causes #diagnosis ... #differential #
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Remote use of loop ... Gitelman syndrome, Hypomagnesemia ... #causes #urinary
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... loss: Nasogastric suction ... disease • Drugs: Loop ... aldosteronism #Hypomagnesemia ... #Causes #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Remote use of loop ... Gitelman syndrome, Hypomagnesemia ... the indicated causes ... #nephrology #differential
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... , nasogastric suction ... syndrome (mimics loop ... #Hypokalemia #Causes ... #differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
- Differential ... Diagnosis Algorithm ... Vomiting • NG suction ... contracted • Loop ... #Diagnosis #Algorithm