16 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Renal Loses - Medications ... Loop and thiazide diuretics ... - Osmotic diuresis ... Post-obstructive diuresis ... #Magnesium #Table
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Acquired: Medications ... pentamidine), Hypercalcemia ... renal transplant, Diuretic ... #nephrology #magnesium ... #low
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm Low ... Renal loss • Medication ... Hypomagnesemia • Osmotic diuresis ... #Classification
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Etiology: • Medications ... G-K), K-sparing diuretics ... STOP offending medications ... (IV loop diuretic ... - IV loop diuretic
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Kidney stones caused ... Tolvaptan) • Treatment ... #Diuresis #Nephrology ... #Pharmacology #Medications ... #Table
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Saline or osmotic diuresis ... • Drugs: Loop diuretics ... Hypercalcemic states ... #differential # ... #magnesium #low
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
urinary calcium excretion ... - Antiviral treatment ... virus or HIV/AIDS, diuretics ... Renal #stones #differential ... #diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • K sparing diuretics ... - Hyperosmolar states ... Medications 2. ... diagnosis #causes
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... • K sparing diuretics ... - Hyperosmolar states ... Medications 2. ... diagnosis #causes
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Anabolic state ... Na• delivery: diuretics ... , osmotic diuresis ... #Differential #