172 results
Drugs that Impair Renal Potassium Excretion 

Decreased ENaC channel function: Amiloride, Triamterene, Pentamidine
Decreased Aldosterone Synthesis: Heparin,
that Impair Renal Potassium ... Receptor Function: Cyclosporine ... Pharmacology #Impaired #Potassium
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Inhibitors (Tacrolimus, Cyclosporine ... #pharmacology #potassium
Causes of Hyperkalemia
Pseudohyperkalemia
 - Tourniquet use
 - Hemolysis (in vitro)
 - Leukocytosis
 - Thrombocytosis
Intra- to extracellular
extracellular potassium ... load - Potassium ... foods - IV potassium ... - Potassium-containing ... receptor blockers, cyclosporine
Causes of Hyperkalemia - Differential Diagnosis Framework
 • Cellular Shift:
   - Exercise
blockers, digitalis, cyclosporine ... heparin, NSAIDS, cyclosporine ... Diagnosis #Causes #potassium
Rifampin Drug Interactions and Monitoring
Rifampin Drug Interactions of Major Clinical Significance:
Oral anticoagulants, Oral contraceptives, Cyclosporine, Digitoxin,
contraceptives, Cyclosporine ... Haloperidol, Losartan potassium
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
osmotic diuresis - Potassium ... Calcineurin inhibitors (cyclosporine
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
osmotic diuresis, Potassium ... Calcineurin inhibitors (cyclosporine
Checklist Approach to Hypokalemia

Consider risk factors for arrhythmia:
 - EKG changes (especially QT prolongation)
 - Digoxin
safely, whereas potassium ... Consider target potassium ... Enteral potassium ... function & estimated potassiurn ... Intravenous potassium
ECG Changes with Potassium Imbalance
 - Normokalemia
 - Hypokalemia
 - Hyperkalemia

#Hypokalemia #Hyperkalemia #ECG #potassium #cardiology #ekg
ECG Changes with Potassium ... Hyperkalemia #ECG #potassium
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
inhibitors, ß-blockers, cyclosporine ... Diagnosis #High #Potassium