<br><br><span class="gmail_quote"><br><br></span>Rn Toby Katz wrote (on Arevim): <br><br><br>>>> The previous Brisker Rov refused to get a pacemaker (in the 1950's) because he felt that the wires extending through his skin would make him pasul as a levi to work in the bet hamikdash.
<br><br>Leviim are Passul B'Mum? I thought only B'Shanim in the Midbar and B'kol after that (Chullin 24) and even then the Rambam holds that he is Kasher to be a Shoe'r, just not a Meshorer. (Klei HaMikdash 3:8)
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