RYR1 and cardiac arrhythmia: Among these, the group of ryanodine receptor‐1‐calstabin complex stabilizers (RYR‐stabilizers) is mentioned, which is being investigated as a potential treatment option for Ryanodine receptor 1 (RYR 1)‐related myopathies, heart failure, cardiac arrhythmia, and Duchenne muscular dystrophy [2, 3, 4, 5].