516 results
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Diagnosis Algorithm Polyuria ... (Uncontrolled Diabetes ... • Central Diabetes ... Insipidus #Polyuria
Pathophysiology of Diabetic Ketoacidosis (DKA) and Hyperglycemic Hyperosmolar Syndrome (HHS)
Absolute Insulin deficit:
 - Type I DM:
Pathophysiology of Diabetic ... → Glucosuria → Polyuria ... endocrinology #diabetes ... #diabetic #ketoacidosis
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Polydipsia • Central Diabetes ... • Nephrogenic Diabetes ... solute load #Polyuria
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm Polyuria ... 100 mosm/kg • Diabetes ... Primary Polydipsia #Polyuria
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... Poorly controlled diabetes ... Diabetes Insipidus ... Hypercalcemia Polyuria ... EricsMedicalLectures/ #Polyuria
Pathogenesis and Pathophysiology of Diabetic Ketoacidosis (DKA)

DKA is a result of an absolute or relative insulin
Pathophysiology of Diabetic ... hyponatremia, polyuria ... Pathophysiology #Diabetic ... Ketoacidosis #DKA #Diabetes
Urine chemistry tests for the diagnostic evaluation of a patient with polyuria
UOsm <100 mOsm/Kg (H2O diuresis)
a patient with polyuria ... polydipsia • Diabetes ... (uncontrolled diabetes ... - Mannitol #polyuria
Diabetic Ketoacidosis (DKA) - Diagnosis and Management Summary

Symptoms:
• Abdominal pain
• Nausea
• Polyuria
• Polydipsia
• Vomiting
• Weight loss
•
Diabetic Ketoacidosis ... pain • Nausea • Polyuria ... mg/dL #DKA #Diabetic
Pathyophysiology - hyperglycemic crises in patients with diabetes 
Key signs/symptoms of HHS/DKA:
Both: Polyuria, polydipsia, weight loss,
patients with diabetes ... HHS/DKA: Both: Polyuria
Diabetic Ketoacidosis (DKA) - Diagnosis and Management Summary

Symptoms:
• Abdominal pain
• Nausea
• Polyuria
• Polydipsia
• Vomiting
• Weight loss
•
Diabetic Ketoacidosis ... pain • Nausea • Polyuria ... mg/dL #DKA #Diabetic