22 results
Treatment of hyperkalemia via kaliuresis 
step 1 = volume resuscitation if hypovolemic
step 2 = consider fludrocortisone
step
Treatment of hyperkalemia ... fludrocortisone step 3 = diuretic ... determine response to diuretic ... #diuretics #diuresis ... #nephrology #algorithm
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
plasma insulin (treatment ... thiazide-like diuretics ... Postobstructive diuresis ... , Osmotic diuresis ... use), Gitelman's
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Diagnosis Algorithm ... >20 mEq/24 h - Diuretics ... Bartter's syndrome, Gitelman's ... #nephrology #causes ... #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Loop and thiazide diuretics ... Bartter syndrome, Gitelman ... #causes #potassium ... #low #nephrology
Diuretics - Pharmacology

Thiazides diuretics:
 • Inhibit Na+ Cl- cotransporter in distal tubule
 • Chlorothiazide, Chlorthalidone, Indapamide,
Diuretics - Pharmacology ... Thiazides diuretics ... Piretanide Potassium ... sparing diuretics ... nephrology #conversion
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
with hypokalemia ... - Loop diuretics ... , Thiazide diuretics ... Bartter syndrome, Gitelman ... #diagnosis #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Differential Diagnosis Algorithm ... intake, Diuretics ... -: Diuretics, Bartter ... Syndrome, Gitelman ... #nephrology
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... Fluids Shift potassium ... function) - Loop diuretic ... LouLectures #Hyperkalemia ... #nephrology
Algorithm for Management of Acute and Chronic Hyperkalemia
Acute Hyperkalemia:
 - IV calcium (10 mL of 10%)
sodium bicarbonate, Diuretics ... ) - Effective diuretic ... therapy (loop diuretics ... Acute #Chronic #treatment ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Diuretics and Agents ... Altitude sickness • Diuretic ... Hyponatremia • Hypercalcemia ... Tolvaptan) • Treatment ... #Nephrology #Pharmacology