13 results
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... • Osmotic diuresis ... insipidus • Nephrogenic ... Differential #Diagnosis #Causes ... #nephrology #sodium
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... insipidus (central or nephrogenic ... #nephrology #sodium
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
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
Hypernatremia - ... unavailable 2) Osmotic Diuresis ... Diabetes Insipidus: neurogenic ... , nephrogenic 4 ... management #nephrology #sodium
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 ... loss (diuretics ... diagnosis #table #sodium
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
nephrotic syndrome • Hyponatremia ... Kidney stones caused ... Lithium-induced nephrogenic ... Tolvaptan) • Treatment ... and euvolemic hyponatremia
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Diagnosis Framework HEMATOLOGIC ... • Early death Neutropenic ... Constipation • Nausea ... coma SIADH: • Hyponatremia ... • Nausea, vomiting
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Management of Hyponatremia ... Failure - Add Diuretics ... Add Diuretics, Consider ... #Management #algorithm ... #treatment #sodium
Hypertonic Saline for Treatment of Hyponatremic Encephalopathy
1) 100 ml bolus of 3% NaCl over 10 min.
Hypertonic Saline for Treatment ... hours. 2) Serum sodium ... Increase in sodium ... of a free water diuresis ... management #protocol #hyponatremia
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Algorithm Isotonic ... • Hypovolemia: Diuretics ... #Differential #Algorithm ... #diagnosis #causes ... #nephrology #sodium