<s>
Sinus	B-Algorithm
arrhythmia	I-Algorithm
is	O
a	O
commonly	O
encountered	O
variation	O
of	O
normal	O
sinus	O
rhythm	O
.	O
</s>
<s>
Sinus	B-Algorithm
arrhythmia	I-Algorithm
characteristically	O
presents	O
with	O
an	O
irregular	O
rate	O
in	O
which	O
the	O
variation	O
in	O
the	O
R-R	O
interval	O
vary	O
by	O
more	O
than	O
0.12	O
seconds	O
(	O
120	O
milliseconds	O
)	O
.	O
</s>
<s>
When	O
present	O
,	O
respiratory	O
sinus	B-Algorithm
arrhythmia	I-Algorithm
typically	O
indicates	O
good	O
cardiovascular	O
health	O
and	O
is	O
more	O
commonly	O
seen	O
in	O
young	O
healthy	O
people	O
,	O
especially	O
those	O
with	O
enhanced	O
vagal	O
tone	O
or	O
slower	O
heart	O
rates	O
.	O
</s>
