Heparin does not directly add potassium to the blood. Instead, it disrupts the body's normal potassium balance by interfering with the :
Heparin-induced hyperkalemia is a condition characterized by elevated potassium levels in the blood (hyperkalemia) that occurs as a result of heparin therapy. Hyperkalemia can lead to serious cardiac arrhythmias, muscle weakness, and even cardiac arrest if left untreated. heparin hyperkalemia