54 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Osmolarity 3) Urine Sodium ... High Uric Acid → renal ... #Algorithm #nephrology ... #sodium #low #uricacid
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
believed that urine sodium ... fractional excretion of sodium ... and intrinsic renal ... performance for diagnosing ... AcuteKidneyInjury #Nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
- Differential Diagnosis ... perspiration Renal ... #Differential #Diagnosis ... #Causes #nephrology ... #sodium #high
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
- Differential Diagnosis ... Stress, Nausea, Pulmonary ... , CNS Disease, Meds ... #Algorithm #diagnosis ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... - fevers • renal ... Hypernatremia #Diagnosis ... Workup #Algorithm #Nephrology
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Differential Diagnosis ... hemorrhage) - Pulmonary ... e.g. pneumonia, COPD ... Suppressed - Advanced renal ... Table #Causes #Sodium
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... 90 minutes) • Sodium ... (if preserved renal ... management #potassium #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Na <20: Extra-renal ... Urine Na >30: Renal ... Urine Na > 30: Renal ... Hyponatremia #algorithm #diagnosis ... #sodium #low #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential Diagnosis ... Pain/Post-op • Neurologic ... • Drugs • Pulmonary ... GI losses • Renal ... #Hyponatremia #Nephrology