35 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Medications - Loop ... and thiazide diuretics ... - Osmotic diuresis ... Post-obstructive diuresis ... #Classification
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Urine Mg > 10g • Loop ... DiureticsHypercalcemia-PTH ... syndrome • Thiazide Diuretics ... Hypomagnesemia #Magnesium ... #Low #Causes #Differential
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Alkalosis • Hypokalemia ... Syndrome • Osmotic Diuresis ... Acetazolamide and Thiazide Diuretics ... : • Aluminum/Magnesium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • HTN Absent: Loop ... and thiazide diuretics ... @priti899 #Hypokalemia
Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency
 • Increased osmotic load (Increased
• Physiologic Diuresis ... Post-obstructive diuresis ... kidney disease, Loop ... Diuretics, Recovery ... phase of ATN, Hypercalcemia
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... Remote use of loop ... or thiazide diuretics ... - Normal/low ... pressure: Active diuretic
Algorithm for Management of Acute and Chronic Hyperkalemia
Acute Hyperkalemia:
 - IV calcium (10 mL of 10%)
Algorithm for Management ... sodium bicarbonate, Diuretics ... ) - Effective diuretic ... therapy (loop diuretics ... #Algorithm #Management
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Causes of Hypokalemia ... contracted • Loop ... diuretics / Bartter's ... syndrome • Thiazide diuretics ... Gittelman's syndrome • Magnesium
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... Low intake ... Hypomagnesemia • Osmotic diuresis ... #Causes #Classification
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Saline or osmotic diuresis ... disease • Drugs: Loop ... diuretics, Aminoglycosides ... diagnosis #nephrology #magnesium ... #low