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

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

#Potassium #Binding #KBinders #Kayexelate
Binding #KBinders #Kayexelate ... #Comparison #Table ... #Pharmacology # ... Patiromer #HyperKalemia ... #Nephrology #Agents
Hyperkalemia Treatment Options
Stabilize cardiac membrane:
 • IV Calcium (peaks 5-10 minutes)
Decrease potassium concentration:
 • IV Fluids
Shift
Hyperkalemia Treatment ... • IV Fluids Shift ... minutes) • Stool - Kayexylate ... LouLectures #Hyperkalemia ... management #potassium #nephrology
Diuretics sites of action on the nephron
1) Acetazolamide (carbonic anhydrase inhibitor)
2) Osmotic diuretics (e.g. mannitol)
3) Loop
action on the nephron ... Loop diuretic (e.g ... triamterene) #nephron ... #diuretics #pharmacology ... #nephrology #medications
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Agents to Treat Hyperkalemia ... to moderate); hypokalemia ... polystyrene sulfonate (Kayexelate ... #medications #pharmacology ... #table #comparison
Nephron Pathophysiology - Diuretic Sites of Action
Diuretics
1) Acetazolamide/canagliflozin
2) Osmotic agents (mannitol, urearetics)
3) Loop agents (eg, furosemide)
4)
Nephron Pathophysiology ... ) Loop agents (eg ... Adenosine #Nephron ... Sites #Action #nephrology ... #pharmacology
Emergent Hyperkalemia Treatment Algorithm
ECG changes, weakness, K+ >6.5 Or renal insufficiency with K >5.5 with cellular
Emergent Hyperkalemia ... injury, etc) ECG ... cardiac membrane Shift ... polystrene sulfonate (kayexelate ... not quickly) #Hyperkalemia
Characteristics of Commonly Used Phosphate Binders 
Aluminum 
 - Potent and effective 
 - Useful for
Lower risk of hypercalcemia ... edgarvlermamd - Nephrology ... Binders #Table #Comparison ... #Pharmacology # ... Nephrology
Potassium Binders for Management of Hyperkalemia
 • SPS - Sodium polystyrene sulfonate
 • Patiromer (veltassa)
 •
Management of Hyperkalemia ... Binders #Management #Hyperkalemia ... #treatment #pharmacology ... #table #comparison ... #nephrology
Causes of Hyperkalemia - Intercellular Shift - Differential Diagnosis Algorithm
Transcellular Shift - Appropriate renal excretion (GFR,
Causes of Hyperkalemia ... Intercellular Shift ... Transcellular Shift ... • Cell Lysis (e.g ... IntercellularShift #Nephrology
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
Saline (NS) - Comparison ... Is Dangerous in Hyperkalemia ... transcellular shift ... Normal #Saline #NS #comparison ... #pharmacology #