35 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Urine Output > 3L /day ... solute load #Polyuria ... #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 ... Output > 3L/day ... Differential #Diagnosis #Algorithm ... #Causes
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
Polyuria - Differential ... Polydipsia • Central DI ... @kdjhaveri #Polyuria ... Differential #Diagnosis #Causes
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... • Nephrogenic DI ... Hypercalcemia Polyuria ... EricsMedicalLectures/ #Polyuria ... Differential #Diagnosis #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... Differential Diagnosis Algorithm ... diuresis (see Polyuria ... Differential #Diagnosis #Algorithm ... #Causes
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
hyperglycemic crises ... HHS/DKA: Both: Polyuria ... , hypovolemia (dry
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... • UA: sterile pyuria ... , WBC casts, eosinophiluria ... proteinuria, granular casts ... Nephritis #AIN #Algorithm
Increased Urinary Frequency - Differential Diagnosis Algorithm
Non-increased urine volume (<2mL/min), Rule out polyuria
Extrinsic to Urinary Tract:
Differential Diagnosis Algorithm ... min), Rule out polyuria ... Differential #Diagnosis #Algorithm ... #Causes
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
out of cells may cause ... few hours to a day ... Polyphagia • Polyuria ... Dehydration (up to 4-5L dry ... Abdominal pain, nausea
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... Negative urine dip ... Differential #Diagnosis #Algorithm ... #Causes