<s>
Membrane	B-Algorithm
stabilizing	I-Algorithm
effects	I-Algorithm
involve	O
the	O
inhibition	O
or	O
total	O
abolishing	O
of	O
action	B-Algorithm
potentials	I-Algorithm
from	O
being	O
propagated	O
across	O
the	O
membrane	O
.	O
</s>
<s>
They	O
block	O
the	O
propagation	O
of	O
action	B-Algorithm
potentials	I-Algorithm
across	O
nerve	O
cells	O
,	O
thereby	O
producing	O
a	O
nerve	O
block	O
.	O
</s>
<s>
MSA	O
agents	O
produced	O
by	O
beta-blockers	O
reduce	O
the	O
increase	O
of	O
cardiac	O
action	B-Algorithm
potential	I-Algorithm
,	O
while	O
also	O
leading	O
to	O
other	O
electrophysiological	O
effects	O
.	O
</s>
