21 results
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm Polyuria ... Primary Polydipsia #Polyuria ... #Differential # ... Diagnosis #Algorithm #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Water Diuresis (Urine ... solute load #Polyuria ... #Differential # ... Algorithm #causes #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 ... Insipidus #Polyuria ... #Nephrology #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential ... Mimics (↑ urine ... frequency without ↑ urine ... #Differential # ... Diagnosis #Causes #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... 145 mmol/L High Urine ... diuresis (see Polyuria ... Hypernatremia #Nephrology ... #Differential #
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
diagnosis with direct urine ... Failure to acidify urine ... Distal #Diagnosis #Management ... #Nephrology #Causes ... #Differential #
Dizziness - Differential Diagnosis Framework
"Tell me what you mean by dizzy without using the word dizzy."
Vertigo:
Dizziness - Differential ... • Peripheral: BPPV ... Syphilis, Cerebellar/Posterior ... Dizziness #dizzy #Differential ... #Diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... auditory findings BPPV ... Hallpike test (posterior ... Vertigo #Algorithm #differential ... #diagnosis #neurology
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
AKI) What to ask ... UOP/weights - Urine ... AcuteKidneyInjury #AKI #Nephrology ... Algorithm #Causes #Differential
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
Urine chemistry ... a patient with polyuria ... - Mannitol #polyuria ... #differential # ... diagnosis #nephrology