21 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
losses, Diuretic ... and metabolic alkalosis ... Ketonuria, Osmotic diuresis ... , UNa < 20 • Nephrotic ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
Sodium loss (diuretics ... diuresis can be ... diuresis) RAAS ... syndrome) • ADH ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
• Metabolic alkalosis ... • Diagnosis of ... syndromeHyponatremia ... Renal #Excretion ... #Diuresis #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Acute Respiratory Alkalosis ... - Renal FE PO4 ... • Osmotic Diuresis ... Acetazolamide and Thiazide Diuretics ... #Algorithm #endocrinology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
loop or thiazide diuretics ... • Normal/low ... pressure: Active diuretic ... #nephrology #differential ... #diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Algorithm Volume ... Cl intake, Diuretics ... High Urine Cl-: Diuretics ... hyperaldosteronism • High PRA: Renal ... #Algorithm #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... • Euvolemic (Low ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Algorithm Syndrome ... GI losses • Renal ... especially thiazide diuretics ... GFR, AKI/CRF Hormonal ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Algorithm Syndrome ... GI losses • Renal ... especially thiazide diuretics ... GFR, AKI/CRF Hormonal ... #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Algorithm Volume ... Cl intake, Diuretics ... High Urine Cl-: Diuretics ... hyperaldosteronism • High PRA: Renal ... #Algorithm #Nephrology