21 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... - Diabetes Insipidus ... history Step #2 ... & desmopressin test ... #Sodium #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... - Differential ... Diagnosis Algorithm ... #Nephrology #Differential ... #Causes
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Insipidus • Nephrogenic ... Diabetes Insipidus ... #causes #nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
mutations in AQP-2 ... uropathy, Metabolic causes ... Treatment is aimed ... #Diabetes #Insipidus ... #Diagnosis #Differential
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... - Diagnosis Algorithm ... Osmolality, Urine 1-2 ... #Algorithm #nephrology ... #differential
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Diagnosis Algorithm ... Urine osmolality = 2 ... 100 mosm/kg • Diabetes ... Insipidus • Primary ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential ... Diagnosis Algorithm ... 300 mmol/kg • Diabetes ... Insipidus Hypodipsia ... #Causes
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... auditory findings BPPV ... positional episodes caused ... #differential #
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... renal mechanism 2) ... • Euvolemic: Diabetes ... insipidus (central ... #nephrology #sodium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... Diagnosis Algorithm ... acidosis (type 1 of 2) ... Ureterosigmoidostomy, Diabetic ... #causes #nephrology