17 results
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... can be high or low ... #differential #diagnosis ... #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... sodium low, uric ... uric acid low in ... #Differential #Algorithm ... #Diagnosis #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Algorithm - Utilizing ... Sodium 4) Serum ... Uric Acid - Low ... #Algorithm #nephrology ... #sodium #low #uricacid
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... Algorithm Volume ... Urine Cl-: Vomiting ... (late) • High Urine ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... Algorithm Volume ... Urine Cl-: Vomiting ... (late) • High Urine ... #Algorithm #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Algorithm Syndrome ... Euvolemic; no physiologic ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Algorithm Syndrome ... Euvolemic; no physiologic ... • Reduced GFR, AKI ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... water loss, Serum Sodium ... mannitol, glucosuria Low ... Urine Osmolality ... Hypernatremia #Nephrology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
Kidney Injury (AKI ... UOP/weights - Urine ... Na/K/Cl/urea/protein ... #Nephrology #Diagnosis ... #Algorithm #Causes