44 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Familial: Bartter syndrome ... and Gitelman syndrome ... diagnosis #causes ... #nephrology #magnesium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
renal Mg wasting syndromes ... - Gitelman syndrome ... - Hungry bones syndrome ... #Differential # ... Diagnosis #Low #
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Diagnosis Algorithm ... • Low Magnesium ... metastases, Hungry bone syndrome ... Diagnosis #Algorithm ... #nephrology #calcium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... #algorithm #differential ... #diagnosis #causes ... #nephrology #magnesium ... #low
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Diagnosis Algorithm ... • Gitelman's syndrome ... #Magnesium #Low ... #Causes #Differential ... #Diagnosis #Algorithm
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... #differential # ... diagnosis #table ... #neurology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Diagnosis Algorithm ... • Refeeding Syndrome ... Osteomalacia • Fanconi Syndrome ... #Diagnosis #Algorithm ... endocrinology #causes
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... SAME, Cushing Syndrome ... , Gitelman syndrom ... #Diagnosis #Algorithm ... #low #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... metastasis (hungry bone syndrome ... #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Diagnosis Algorithm ... disease, Milk Alkali Syndrome ... disease, Viral Syndromes ... #Diagnosis #Algorithm ... #Workup #nephrology