45 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Algorithm - Diabetes Insipidus ... & desmopressin test ... Algorithm #Sodium #nephrology ... #insipidus #DI
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
of Polyuria - Differential ... Water Deprivation Test ... Water Deprivation Test ... #Polyuria #Nephrology ... #Differential #
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of Diabetes Insipidus ... neurogenic diabetes insipidus ... Treatment is aimed ... Classification #Types #Nephrology ... #Diagnosis #Differential
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
hydration • Diabetes insipidus ... Dehydration • SIADH (syndrome ... Interpretation #diagnosis #differential ... #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Euvolemic: Diabetes insipidus ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Workup #Algorithm #nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Hypothyroidism, Stress ... , Drugs, Syndrome ... #Hyponatremia #Differential ... Algorithm #Causes #nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal Syndrome ... symptomatology Differential ... , biopsy By Tess ... #differential # ... diagnosis #nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Diagnosis Algorithm Tests ... Water deprivation test ... Diagnosis #Algorithm #nephrology ... #differential
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
limb Gitelman syndrome ... tubule Liddle syndrome ... Nephrogenic diabetes insipidus ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
BEE Syndromes - ... diagnosis and treatment ... • Sjögren syndrome ... #neurology #inflammatory ... #differential #