16 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) Serum ... 4) Serum Uric Acid ... Acid → renal salt wasting ... By Rachel Stern ... Diagnosis #Algorithm #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Euvolemic, Serum ... Glucocorticoid deficiency, Primary ... algorithm #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine Na+K / serum ... : SIADH, Renal Sodium ... Cerebral Salt Wasting ... water intake (Primary ... #nephrology
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... angiography • Primary ... Oral sodium loading ... repaired) • Primary ... Causes #Screening #Workup
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Cerebral salt wasting ... (UOsm < 100): Primary ... Algorithm #diagnosis #sodium ... #nephrology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... ultrasonography, serum ... myoglobin • Myeloma: serum ... #Injury #AKI #Workup ... Differential #Diagnosis #nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... pH Calculate Urinary ... pH > 5.5 • Serum ... Differential #Diagnosis #Workup ... #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
intoxication Initial Workup ... : Serum Osm, Urine ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology
A lazy man's classification of hyponatremia
There are two possible approaches to the diagnosis of hyponatremia: .
the same tests (serum ... osmolality and urinary ... sodium). ... cerebral salt wasting
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... expensive Serum ... Serum or urine for ... #workup #diagnosis ... nephrotic #nephritic #nephrology