.TE
.bp
.ce 1
\fB\s12TABLE OF RHYTHMS (TEST PERIODS ONLY)\s10\fP
.nr PS 7
.nr VS 9
.LP
.TS
center box;
c | re re re re re re re re re re re re re re re.
\fIRecord\fB N SBR BII PREX AB SVTA AFL AFIB P NOD B T IVR VT VFL\fR
_