34 results
Treatment of hyperkalemia via kaliuresis 
step 1 = volume resuscitation if hypovolemic
step 2 = consider fludrocortisone
step
fludrocortisone step 3 = diuretic ... determine response to diuretic ... #kaliuresis #management ... #diuresis #nephrology ... #algorithm
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Transcellular Shifts ... thiazide-like diuretics ... Postobstructive diuresis ... , Osmotic diuresis ... (mimics loop diuretic
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Diagnosis Algorithm ... Transcellular Shift ... • Refeeding syndrome ... • Discontinued diuretic ... #nephrology #low
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Transcellular Shift ... • Refeeding Syndrome ... Alkalosis • Hypokalemia ... • Osmotic Diuresis ... Acetazolamide and Thiazide Diuretics
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Differential Diagnosis Algorithm ... Renal losses, Diuretic ... Ketonuria, Osmotic diuresis ... renal failure Hypervolemia ... #Causes #nephrology
Diuresis in Critical Care - Achieving a Negative Fluid Balance
Advantages Of A Negative Fluid Balance:
 •
Diuresis in Critical ... , address diuretic ... high aldosterone states ... Early nephrologv ... Fluid #Balance #management
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm ... Hypomagnesemia • Osmotic diuresis ... • Bartter's syndrome ... Transcellular shift
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... irrigation • Management ... Symport (Loop Diuretics ... Hyponatremia • Hypercalcemia ... #Nephrology #Pharmacology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... mechanism 2) Volume Status ... • Hypovolemic: Diuretics ... osmotic (solute) diuresis ... #nephrology #sodium
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
- Shift from extracellular ... foscarnet - Diuretics ... and other loop diuretics ... renal Fanconi syndrome ... antiretroviral therapy - Diuretics