26 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Osmolarity 2) Urine ... - Low Uric Acid ... → renal salt wasting ... #nephrology #sodium ... #low #uricacid
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Dl • Chronic Renal ... solute load #Polyuria ... #causes #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses ... : • Normal Acid-Base ... Metabolic acidosis ... #causes #potassium ... #low #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
<20: Extra-renal ... Hypothyroidism, Low ... #Hyponatremia #algorithm ... diagnosis #sodium #low ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Polyuria - Urine ... Recovery from Acute Renal ... #Nephrology #Differential ... #Causes
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Normal Anion-Gap Acidosis ... Calculate Anion Gap - UAG ... - RenalUrine ... Tubular Acidosis ... Diagnosis #Workup #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... • Central Dl (Low ... Nephrogenic DI (Renal ... Mimics (↑ urine ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... diuresis (see Polyuria ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... #Causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... electrolytes, urea, uric acid ... osmolarity If cause ... Differential #Diagnosis #nephrology ... #causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... the indicated causes ... and potassium acid ... #Algorithm #nephrology