36 results
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
Diuretics sites ... Metolazone) 5) Potassium-sparing ... diuretics (e.g. ... #pharmacology # ... nephrology #medications
Summary of Diuretic Agents 
Subclass, Drug, Mechanism of Action, Effects, Clinical Applications, Pharmacokinetics, Toxicities, Interaction
CARBONIC ANHYDRASE
Summary of Diuretic ... Chlorthalidone POTASSIUM-SPARING ... Tolvaptan #Diuretics ... #Medications #Pharmacology ... summary #table #nephrology
Renal Actions of Diuretics

#Diuretics #Sites #Action #Nephron #Pharmacology #Nephrology
Renal Actions of ... Diuretics #Diuretics ... Action #Nephron #Pharmacology ... #Nephrology
Diuretics - Pharmacology

Thiazides diuretics:
 • Inhibit Na+ Cl- cotransporter in distal tubule
 • Chlorothiazide, Chlorthalidone, Indapamide,
Diuretics - Pharmacology ... • Inhibit Na+ Cl ... Piretanide Potassium ... #Pharmacology # ... nephrology #conversion
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
minutes) Decrease potassium ... Fluids Shift potassium ... (if preserved renal ... function) - Loop diuretic ... #nephrology
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
Drugs that Impair Renal ... Potassium Excretion ... Aldosterone Release: ACE ... Pathophysiology #Pharmacology ... #Renal
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Medications Renal ... Losses Non-renal ... • Discontinued diuretic ... Diagnosis #Algorithm #nephrology ... #low #potassium
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypertensive: • High Al ... aldosteronism • High Al ... >20 mEq/24 h - Diuretics ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Algorithm Extra-renal ... loss (Diarrhea) Renal ... Loop and thiazide diuretics ... Algorithm #causes #potassium ... #low #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal ... Inhibitors of Na+K+2Cl ... #Renal #Excretion ... #Diuresis #Nephrology ... #Pharmacology #