65 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Differential Diagnosis Algorithm ... Hypernatremia - Excess ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... Differential #Diagnosis #Algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... , NGT suction, Low ... mineralocorticoid excess ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... • Euvolemic (Low ... Hypervolemic (Excess ... Diagnosis #Workup #Algorithm ... #nephrology #sodium
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Differential Diagnosis Algorithm ... High DHEAS • Low ... DHEAS Estrogen Excess ... Glucocorticoid Excess ... Differential #Diagnosis #Algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis Algorithm ... Hypercalcemia Low ... Cholecalciferol - Excess ... Differential #Diagnosis #Algorithm
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Differential Diagnosis Algorithm ... Low intake ... • Adrenergic excess ... Differential #Diagnosis #Algorithm
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... mineralocorticoid excess ... EABV, Low Plasma ... #differential #algorithm ... #diagnosis #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Large volume IVF Excess ... diuresis): • Excess ... diuretics • Excess ... • Central Dl (Low ... Diagnosis #Causes #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... - Urine sodium low ... and uric acid low ... #Differential #Algorithm ... #Diagnosis #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... mineralocorticoid excess ... consumption • Low ... differential #potassium #nephrology ... #low