11 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... perspiration Renal ... • Osmotic diuresis ... insipidus • Nephrogenic ... #nephrology #sodium
Hypernatremia Classification and Features According to Volume Status
 - Hypervolemic hypernatremia - Cushing's syndrome, Primary hyperaldosteronism,
- Cushing's syndrome ... Gestational DI, Nephrogenic ... Hypodipsia - Renal ... , Loop diuretics ... Diagnosis #Comparison #Table
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
- Nephrotic syndrome ... Drugs - SIADH Renal ... - Diuretics ... Differential #Diagnosis #Table ... #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
mOsm/kg - Implies renal ... , Ingestion Renal ... • Hypovolemic: Diuretics ... , Cushing syndrome ... Algorithm #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... Sodium loss (diuretics ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... • Hyponatremia ... Kidney stones caused ... and euvolemic hyponatremia ... #Medications #Table
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... Insensible losses Sodium ... diseases (e.g. renal ... Differential #Diagnosis #Table ... #Causes
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Hyperviscosity Syndrome ... • Early death Neutropenic ... : Tumor Lysis Syndrome ... Hyperuricemia • Acute renal ... coma SIADH: • Hyponatremia
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... - Cirrhosis Syndrome ... Suppressed - Advanced renal ... Differential #Diagnosis #Table ... #Causes #Sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Hypovolemia: Diuretics ... Cirrhosis, Nephrotic Syndrome ... , Chronic Renal ... Algorithm #diagnosis #causes ... #nephrology #sodium