88 results
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... Shift: • Alkalosis ... • Refeeding syndrome ... Losses Non-renal ... #Algorithm #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Algorithm - Utilizing ... Osmolarity 2) Urine ... Sodium 4) Serum ... High Uric Acid → renal ... #Algorithm #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Na <20: Extra-renal ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #algorithm ... #diagnosis #sodium ... #low #nephrology
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
(FENa) = (Urine ... / (Serum Na+ x Urine ... - Strong Medicine ... #nephrology #calculation ... #diagnosis
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... sodium and serum ... sodium low, uric ... #Differential #Algorithm ... #Diagnosis #Nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
of magnesium = (urine ... intake, Gl loss, shift ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
sodium excretion ... fractional excretion of sodium ... and intrinsic renal ... performance for diagnosing ... AcuteKidneyInjury #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... 1) Check Urine ... mOsm/kg - Implies renal ... #nephrology #sodium
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
- Differential Diagnosis ... Algorithm Volume ... (late) • High Urine ... hyperaldosteronism • High PRA: Renal ... #Algorithm #nephrology
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
Urine Chloride ... • Urine Ca/Cr ... #Bartter #Algorithm ... #nephrology #hypokalemia ... #diagnosis