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Key Characteristics of Old and New Potassium-Binding Agents

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

#Potassium #Binding #KBinders #Kayexelate
Characteristics of Old and ... New Potassium-Binding ... #Kayexelate #Comparison ... #Table #Pharmacology ... #Patiromer #HyperKalemia
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... of aspiration #Potassium ... #Binding #Hyperkalemia ... #pharmacology #table ... #comparison #binders
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... 1 and 2, but not ... Diagnosis #Low #Potassium ... #Table #Classification ... #Causes
Hyperkalemia Differential Diagnosis Algorithm
R/O Pseudo-hyperkalemia:
 • Possible Lab error! Alwavs Repeat Blood sample!
 • Leukocytosis, Thrombocytosis:
Diagnosis Algorithm ... Thrombocytosis: cells lyse as ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #high #pathophysiology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... • Skin and/or ... tubular acidosis (type ... #potassium
Digoxin Pharmacology and Pathophysiology
1) Na/K ATPase Pump - Digoxin works by directly binding to and inhibiting
Pathophysiology ... works by directly binding ... intracellular calcium causes ... - Hyperkalemia ( ... , in states of hypokalemia
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Aldosterone, RTA Type ... only if no clear cause ... Elimination (see Table ... Treatments: • K-Binding ... Management #Treatment #potassium
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
Dermatomyositis) AKI - Pathophysiology ... Monitor potassium ... per day until stable ... Dialysis for severe hyperkalemia ... Management #Summary #causes
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Loss of sodium/Potassium ... Collapse: • Pathophysiology ... Ataxia • Lab Findings ... Hypocalcemia - Hyperkalemia ... differential #diagnosis #causes
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... hyperphosphatemia, hypercalcemia ... symptoms are not caused ... incidental CXR finding ... Self-limiting, chronic but stable