34 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Diagnosis Algorithm ... losses, Diuretic ... : • Acute or chronic ... #Causes #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... abnormalities - Hypercalcemia ... - Hypokalemia ... Hypomagnesemia #Differential ... Low #Magnesium #Table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... Hyponatremia • Hypercalcemia ... #Renal #Excretion ... #Diuresis #Nephrology ... #Medications #Table
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
- Differential ... Diagnosis Algorithm ... K = Hyperkalemic ... tract obstruction, Chronic ... #nephrology
Compelling and Possible Contraindications to Antihypertensive Drugs
Diuretics (thiazides)
 - Gout
 - Metabolic syndrome, Glucose intolerance, Pregnancy,
Antihypertensive Drugs Diuretics ... , Serum creatinine ... Angioneurotic edema ... active patients, Chronic ... contraindications #table
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Alkalosis • Hypokalemia ... Increased Excretion - Renal ... • Anorexia • Chronic
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 ... #diagnosis #table ... #sodium #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Losses Non-renal ... • Discontinued diuretic ... #nephrology #low
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Villous adenoma Renal ... (carbonic anhydrase ... #Causes #differential ... #diagnosis #nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... Diagnosis Algorithm ... Partial Dl • Chronic ... Renal Failure ... #causes #nephrology