Is one obligated to interrupt Torah study or other prayers to respond to Yehei Shemeih Rabba?

PrayerKaddish

Synopsis

The Mishnah Berurah rules that answering Yehei Shemeih Rabba is a greater mitzvah than Kedushah and Modim (based on the Talmudic discussion about interruption). However, one should not interrupt mid-Yehei Shemeih Rabba to answer Kedushah, and the converse is also uncertain.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

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