35 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... @ASanchez_PS and ... Eric Strong @DrEricStrong ... Management #Algorithm #Sodium ... #nephrology #insipidus
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
True Hyponatremia Differential ... sodium and serum ... sodium high and ... #Hyponatremia #Differential ... Algorithm #Diagnosis #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Central Diabetes Insipidus ... Nephrogenic Diabetes Insipidus ... /kg) • Water and ... Algorithm #causes #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
hydration • Diabetes insipidus ... Eric Strong @DrEricStrong ... - Strong Medicine ... Interpretation #diagnosis #differential ... #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... water loss, Serum Sodium ... 145 mmol/L High Urine ... kg • Diabetes Insipidus ... Hypernatremia #Nephrology
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Histiocytosis and ... causes (e.g., hypokalemia ... is aimed at the psychiatric ... Classification #Types #Nephrology ... #Diagnosis #Differential
General approach to AKI - Checklist

Urine electrolytes & FENa - Previously, it was believed that urine
sodium excretion ... and fractional ... excretion of sodium ... FENa) could help differentiate ... AcuteKidneyInjury #Nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... • Osmolality, Urine ... • Sodium, Plasma ... Diagnosis #Algorithm #nephrology ... #differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
of Hyporeflexia and ... Hyperreflexia: • Hypocalcemia ... - Strong Medicine ... Testing #Causes #differential ... diagnosis #table #neurology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... Algorithm 1) Check Urine ... Euvolemic: Diabetes insipidus ... Workup #Algorithm #nephrology ... #sodium