19 results
Causes of Frequency, Nocturia, Polyuria

#Frequency #Nocturia #Polyuria #Causes #Differential #Urology #Table
Causes of Frequency ... , Nocturia, Polyuria ... #Frequency #Nocturia ... #Polyuria #Causes ... Differential #Urology #Table
Increased Urinary Frequency - Differential Diagnosis Algorithm
Non-increased urine volume (<2mL/min), Rule out polyuria
Extrinsic to Urinary Tract:
Frequency - Differential ... Diagnosis Algorithm ... min), Rule out polyuria ... #Diagnosis #Algorithm ... #Causes
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... of Water: • Primary ... gliflozins) • Other: Mannitol ... Hypercalcemia Polyuria ... Mimics (↑ urine frequency
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
Polyuria - Differential ... Resolution of AKI • Mannitol ... Water Diuresis • Primary ... @kdjhaveri #Polyuria ... Differential #Diagnosis #Causes
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Differential Diagnosis Algorithm ... Mellitus) • Mannitol ... Deprivation Test • Primary ... Differential #Diagnosis #Algorithm
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Relief of prolonged urinary ... solute load #Polyuria ... #causes #nephrology
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Ureterosigmoidostomy Urinary ... Amphotericin B - Polyuria ... Low #Potassium #Table ... #Classification ... #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... diuresis (see Polyuria ... scheme) e.g., mannitol ... Differential #Diagnosis #Algorithm ... #Causes
Hyperparathyroidism classification
Different causes and features of hyperparathyroidism - raised parathormone (PTH).

#Diagnosis #Hyperparathyroidism #Differential #Primary #Secondary #Tertiary
Hyperparathyroidism classification ... Different causes ... #Differential #Primary ... Tertiary #Comparison #Table ... #Classification
Causes of Urinary Tract Obstruction - Differential Diagnosis Algorithm
Upper Tract - Bladder NOT distended on ultrasound,
Causes of Urinary ... Differential Diagnosis Algorithm ... ultrasound, Urgency, frequency ... Differential #Diagnosis #Algorithm ... #Causes #Urology