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

Hypervolemic hypernatremia 
 - CHF
Hypokalemia - Drugs ... - SIADH Renal ... - Diuretics ... Differential #Diagnosis #Table ... #Causes
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... perspiration Renal ... • Osmotic diuresis ... • Central diabetes ... #nephrology #sodium
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
Hypodipsia - Renal ... - Osmotic diuretic ... , Loop diuretics ... Features #Diagnosis #Comparison ... #Table #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... losses, Diuretic ... Ketonuria, Osmotic diuresis ... Hypothyroidism, Stress, Drugs ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
mOsm/kg - Implies renal ... • Euvolemic (Low ... , Ingestion Renal ... • Euvolemic: Diabetes ... Workup #Algorithm #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loses - Medications ... - Uncontrolled diabetes ... Differential #Diagnosis #Low ... #Magnesium #Table ... Classification #Causes
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Kidney stones caused ... and euvolemic hyponatremia ... #Diuresis #Nephrology ... #Pharmacology #Medications ... #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... can be high or low ... Primary polydipsia), Low ... differential #diagnosis #table ... #sodium #nephrology
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
Drugs associated ... foscarnet - Diuretics ... hypomagnesemia #Medications ... differential #diagnosis #nephrology ... #Causes #hypomg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Neurologic trauma • Drugs ... GI losses • Renal ... especially thiazide diuretics ... #Nephrology #Differential