16 results
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Differential Diagnosis Algorithm ... Polydipsia • Central Diabetes ... • Nephrogenic Diabetes ... Differential #Diagnosis #Algorithm ... #causes #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... a.k.a. osmotic diuresis ... Diabetes Insipidus ... Hereditary, Lithium, Hypercalcemia ... #nephrology
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Differential Diagnosis Algorithm ... /min) Osmotic Diuresis ... #Polyuria #Nephrology ... #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... administration • Osmotic diuresis ... 300 mmol/kg • Diabetes ... Hypernatremia #Nephrology ... #Causes
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Ureterosigmoidostomy, Diabetic ... Post-hypercapnia • Diuretics ... #causes #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Hyponatremia • Hypercalcemia ... • Nephrogenic diabetes ... Kidney stones caused ... #Nephrology #Pharmacology ... #Medications #Table
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Algorithm Before ... A urine K/Cr ratio ... • Diarrhea A urine ... Alkalosis: Emesis, Diuretics ... differential #potassium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... : Hypovolemia, Hypervolemia ... differential #diagnosis #table ... #sodium #nephrology
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Differential Diagnosis Algorithm ... Hyperparathyroidism • Diabetic ... Sarcoidosis • Hypercalcemia ... Cyclosporine • Diuretics ... endocrinology #causes
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Weakness, cramping, nausea ... lysis) ± Urine ... only if no clear cause ... Elimination (see Table ... Treatment #potassium #nephrology