23 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... Loop and thiazide diuretics ... - Hypokalemia ... - Osmotic diuresis ... Post-obstructive diuresis
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
associated with hypokalemia ... Hypokalemia ... foscarnet - Diuretics ... #Medications #differential ... #diagnosis #nephrology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... loss • Medication ... • Hypomagnesemia ... • Osmotic diuresis ... amzn.to/2LmUODZ #Hypokalemia
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... with secondary, hypocalcemia ... - Acquired: Medications ... pentamidine), Hypercalcemia ... , Diuretic phase
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... Urinary Losses - Diuretics ... - Polyuria - Hypomagnesemia ... DrEricStrong #Hypokalemia ... #Classification
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Thyrotoxicosis Medications ... • Discontinued diuretic ... MatthewHoMD #Hypokalemia ... #nephrology #low
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Etiology: • Medications ... G-K), K-sparing diuretics ... STOP offending medications ... #Diagnosis #Management
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
Causes of Hyperkalemia ... hyperosmolality - Medications ... Aldosterone: K sparring diuretics ... Hemolysis • Pseudo hyperkalemia ... Medicine @ucsdim #Hyperkalemia
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... diuresis can be ... high or low Uosm ... diuresis) RAAS ... #diagnosis #table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
irrigation • Management ... ; High-Ceiling Diuretics ... #Renal #Excretion ... #Diuresis #Nephrology ... #Pharmacology #Medications