9 results
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... renal potassium excretion ... renal failure • Chronic ... #nephrology #potassium
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Potassium-Binding ... obtain the desired serum ... Side Effects: Edema ... patients sensitive to high ... #pharmacology #table
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... transfusion • HTN and edema ... Impaired Renal Excretion ... causes #potassium #high ... #nephrology
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Regulating Renal Excretion ... Loop Diuretics; High-Ceiling ... Hyponatremia • Hypercalcemia ... #Diuresis #Nephrology ... #Medications #Table
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
normal Type 4: Hyperkalemic ... K high/normal ... - Diarrhea - High ... Surgical drains - Chronic ... Diagnosis #Workup #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
phlebotomy High ... transfusion • HTN and edema ... Impaired Renal Excretion ... causes #potassium #high ... #nephrology
Causes of Hyperkalemia - Reduced Excretion - Differential Diagnosis Algorithm

Reduced flow through distal nephron - TTKG
Causes of Hyperkalemia ... - Reduced Excretion ... Differential Diagnosis Algorithm ... Creatinine • Chronic ... IntercellularShift #Nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
• ↓ Renal K+ Excretion ... Elimination (see Table ... Treatments: • K-Binding ... caution in HTN & edema ... Treatment #potassium #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... diuresis can be high ... : Hypovolemia, Hypervolemia ... #sodium #nephrology