21 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... /kg) • Water and ... #Differential # ... Diagnosis #Algorithm #causes ... #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... - Differential ... Diabetes Insipidus ... Mimics (↑ urine ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Diagnosis Algorithm Polyuria ... #Nephrology #Differential ... Diagnosis #Algorithm #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... water loss, Serum Sodium ... diuresis (see Polyuria ... 300 mmol/kg • Diabetes ... Hypernatremia #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm - Diabetes ... Eric Strong @DrEricStrong ... Management #Algorithm #Sodium ... #nephrology #insipidus
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 ... Syndrome #diagnosis #neurology ... #differential
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... coingested with rhubarb and ... : • Any cause of ... - Strong Medicine ... discoloration #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... Hematuria: • Stone ... microscopic and ... #Hematuria #Differential ... #urology #nephrology
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
Urine chemistry ... a patient with polyuria ... = UOsm - Salt and ... #differential # ... diagnosis #nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... • Osmolality, Urine ... • Sodium, Plasma ... Diagnosis #Algorithm #nephrology ... #differential