49 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... /kg) • Water and ... solute load #Polyuria ... #Differential # ... Algorithm #causes #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... sodium and serum ... sodium high and ... #Hyponatremia #Differential ... Algorithm #Diagnosis #Nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential ... Mimics (↑ urine ... - Strong Medicine ... #Differential # ... Diagnosis #Causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... water loss, Serum Sodium ... 145 mmol/L High Urine ... diuresis (see Polyuria ... Hypernatremia #Nephrology
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
sodium excretion ... and fractional ... excretion of sodium ... FENa) could help differentiate ... AcuteKidneyInjury #Nephrology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
of Hyporeflexia and ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... Testing #Causes #differential ... diagnosis #table #neurology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Dehydration • SIADH (syndrome ... Eric Strong @DrEricStrong ... - Strong Medicine ... Interpretation #diagnosis #differential ... #nephrology
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... )/ 100] x 1.6; and ... Serum Osm • Urine ... Diagnosis #Table #nephrology ... #sodium
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in size (micro and ... lesions (e.g. stroke ... • Epilepsy • Psychiatric ... #diagnosis #neurology ... #differential
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... often classified as ... - Strong Medicine ... Central #Causes #differential ... #diagnosis #neurology