50 results
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Differential Diagnosis Algorithm ... Low PTH: • High ... PTHrP: - Low ... Immobilization, Drugs ... #Workup #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Normal, Renin High ... #Diagnosis #algorithm ... #nephrology #potassium
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Differential Diagnosis Algorithm ... deficiency • Drugs ... metastases, Hungry bone syndrome ... #nephrology #calcium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... • HTN, High Aldosterone ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
low, uric acid ... high in hypovolemic ... high and uric acid ... low in euvolemic ... #Diagnosis #Nephrology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Hypertensive: • High ... Differential #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Familial: Bartter syndrome ... and Gitelman syndrome ... Hypomagnesemia - Acquired: Medications ... diagnosis #causes #nephrology ... #magnesium #low
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
• Refeeding syndrome ... Thyrotoxicosis Medications ... vomiting) • Low ... #nephrology #low ... #potassium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Uric Acid - Low ... Acid → SIADH - High ... #nephrology #sodium ... #low #uricacid
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... the basis of the potassium-to-creatinine ... hypokalemia #urine #potassium ... #differential #algorithm ... #diagnosis #nephrology