47 results
Key Characteristics of Old and New Potassium-Binding Agents

- Dr. Edgar V. Lerma https://twitter.com/edgarvlermamd

#Potassium #Binding #KBinders #Kayexelate
of Old and New Potassium-Binding ... edgarvlermamd #Potassium ... Comparison #Table #Pharmacology ... #HyperKalemia #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm Cl ... Kidney loss of Cl ... Cystic fibrosis Cl ... of sodium and potassium ... urine #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Low intake • Metabolic ... Renal Losses: • Metabolic ... Algorithm #causes #potassium ... #low #nephrology
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Aldosterone Release: ACE ... Pathophysiology #Pharmacology ... #Impaired #Potassium
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme (ACE ... • Exogenous (KCL ... pathophysiology #pharmacology ... #potassium #medications
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
Metolazone) 5) Potassium-sparing ... nephron #diuretics #pharmacology ... #nephrology #medications
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypertensive: • High Al ... aldosteronism • High Al ... Normotensive: • UCl ... Diagnosis #Algorithm #nephrology ... #causes #low #potassium
Here’s a review of the Renin-Angiotensin-Aldosterone system (RAAS)

This is a very common pathway that clinicians should
with excreting potassium ... Antagonists), all ... will increase potassium ... , just like all ... ReninAngiotensinAldosteroneSystem #RAAS #Pharmacology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
treated with IV potassium ... Pressure: - Metabolic ... Hippurate - Metabolic ... #differential #potassium ... #nephrology #low
Summary of Diuretic Agents 
Subclass, Drug, Mechanism of Action, Effects, Clinical Applications, Pharmacokinetics, Toxicities, Interaction
CARBONIC ANHYDRASE
Chlorthalidone POTASSIUM-SPARING ... #Medications #Pharmacology ... summary #table #nephrology