9 results
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
and Workup Step ... Repeat the sodium ... • psychogenic polydipsia ... liver failure • nephrotic ... #Algorithm #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Based Approach to Hyponatremia ... deficiency, Primary polydipsia ... failure, Cirrhosis, Nephrotic ... algorithm #diagnosis #sodium ... #low #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... 4) Serum Uric Acid ... salt wasting By Rachel ... #Differential # ... Diagnosis #Algorithm #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... CHF, cirrhosis, nephrotic ... - Primary Polydipsia ... Algorithm #diagnosis #nephrology ... #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine Na+K / serum ... failure, Cirrhosis, Nephrotic ... intake (Primary polydipsia ... #differential # ... #nephrology
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... Potomania, Psychogenic polydipsia ... Liver Cirrhosis, Nephrotic ... diagnosis #causes #nephrology ... #sodium #low
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
diabetes insipidus Differential ... intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... - AKI Workup Algorithm ... ultrasonography, serum ... • Interstitial nephritis ... Diagnosis #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Calculate serum ... #Differential # ... Treatment #management #nephrology ... #sodium