15 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Differential Diagnosis Algorithm ... - Diabetes Insipidus ... Hypernatremia #Management #Algorithm ... #Sodium #nephrology ... #insipidus #DI
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Adrenal Insufficiency ... Differential Diagnosis Algorithm ... hyperpigmentation, hypoglycemia ... Differential #Diagnosis #Algorithm ... #endocrinology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... 500 mOsm/kg) • Hyperglycemia ... #causes #nephrology
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Modified Hyponatremia Algorithm ... Hyponatremia: Hyperglycemia ... Hypothyroidism, Adrenal insufficiency ... #diagnosis #sodium ... #nephrology
Adrenal Insufficiency Diagnosis Algorithm
Clinical features: 
 - Weight loss, anorexia, Weakness, fatigue, GI distress
 - Hypotension,
Diagnosis Algorithm ... - Unexplained hypoglycemia ... findings (see algorithm ... #Diagnosis #Algorithm ... Stimulation #StimTest #Endocrinology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... pseudohyponatremia • hyperglycemia ... hypothyroidism • adrenal insufficiency ... Diagnosis #Workup #Algorithm ... #Nephrology
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Differential Diagnosis Algorithm ... Solute Diuresis: Hyperglycemia ... kg • Diabetes Insipidus ... Differential #Diagnosis #Algorithm ... #nephrology
Hypoglycemia - Differential Diagnosis Algorithm
Fasting Hypoglycemia:
 • Excess Insulin
 • Medications (e.g. Insulin Secretagogues, ß-Adrenergic Antagonists,
Diagnosis Algorithm ... Fasting Hypoglycemia ... Hypopituitarism • Adrenal Insufficiency ... Differential #Diagnosis #Algorithm ... #endocrinology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... water loss, Serum Sodium ... kg • Diabetes Insipidus ... Hypernatremia #Nephrology ... Differential #Diagnosis #Algorithm
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Differential Diagnosis Algorithm ... Osmolality • Hyperglycemia ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... #Polyuria #Nephrology