22 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm - Diabetes ... Eric Strong @DrEricStrong ... #Algorithm #Sodium ... #nephrology #insipidus
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... • Euvolemic (Low ... • Euvolemic: Diabetes ... Workup #Algorithm #nephrology ... #sodium
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Hypernatremia - Differential ... water loss, Serum Sodium ... mannitol, glucosuria Low ... 300 mmol/kg • Diabetes ... Hypernatremia #Nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Excessive hydration • Diabetes ... Dehydration • SIADH (syndrome ... - Strong Medicine ... Interpretation #diagnosis #differential ... #nephrology
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
cell epithelial sodium ... of epithelial sodium ... ATPase Nephrogenic diabetes ... Defects #Kidney #Nephrology ... #Diagnosis #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... Diabetes Insipidus ... • Central Dl (Low ... - Strong Medicine ... Diagnosis #Causes #nephrology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Hyperthyroidism • Diabetes ... Pulmonary Disease Neurologic ... Sclerosis • Stroke ... Myasthenia Gravis Pharmacologic ... Chronic Fatigue Syndrome
Management of Pediatric Kidney Stones
Acute Managment:
 • Pain relief: NSAIDs, opioids
 • Facilitating passage of stone:
Management of Pediatric ... : • Pain relief ... protein - Low ... sodium diet ... #Pediatrics #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... can be high or low ... Cirrhosis, Nephrotic syndrome ... #Hyponatremia #differential ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... , Gitelman syndrome ... metabolic acidosis • Diabetic ... urine #Algorithm #nephrology ... #differential #