39 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Acute and chronic kidney ... - Drugs - ... SIADH Renal hypovolemic ... - Diuretics ... #Diagnosis #Table
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 ... #differential #
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
; High-Ceiling Diuretics ... • Hypercalcemia ... #Diuresis #Nephrology ... #Pharmacology #Medications ... #Table
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... losses, Diuretic ... Ketonuria, Osmotic diuresis ... Hypothyroidism, Stress, Drugs
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
- Differential ... perspiration Renal ... concentrating defect: • Diuretics ... • Osmotic diuresis ... #sodium #high
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
- Insulin (high ... foscarnet - Diuretics ... and other loop diuretics ... antiretroviral therapy - Diuretics ... #Medications #differential
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... Loop and thiazide diuretics ... - Osmotic diuresis ... Post-obstructive diuresis ... Low #Magnesium #Table
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Losses: - Diuretics ... thiazide-like diuretics ... , Osmotic diuresis ... Conn's, Liddle's), Drugs ... #Causes #differential
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... (AKI) - Differential ... Distributive Shock, HRS, Hypercalcemia ... #Acute #Kidney ... #Diagnosis #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
trauma • Drugs ... GI losses • Renal ... especially thiazide diuretics ... • Reduced GFR, AKI ... #Nephrology #Differential