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

Hypervolemic hypernatremia 
 - CHF
Classification, ... hyponatremia - Diuretics ... #Hyponatremia #Classification ... Differential #Diagnosis #Table ... #Causes
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... : SIADH, Renal Sodium ... differential #diagnosis #table ... #sodium #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Loop and thiazide diuretics ... Post-obstructive diuresis ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
• Caused by splanchnic ... Exclude other AKI causes ... Classification: ... volume expansion + diuretic ... • Urine sodium
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Urinary Losses - Diuretics ... Low #Potassium #Table ... #Classification ... #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Differential Diagnosis Algorithm ... water loss, Serum Sodium ... administration • Osmotic diuresis ... #Causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Hypomagnesemia • Osmotic diuresis ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... loop or thiazide diuretics ... pressure: Active diuretic ... the indicated causes ... the excretion of sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
- Differential Algorithm ... • Hypovolemia: Diuretics ... MH/CCF/CWRU EM ... #diagnosis #causes ... #nephrology #sodium
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Failure - Add Diuretics ... Add Diuretics, Consider ... SIADH — look for cause ... Hyponatremia #Management #algorithm ... #treatment #sodium