00:00
Hi! Welcome to our
video series today.
00:03
This is post
myocardial infarction
or the rebuilding of the wall.
00:08
Now we know that a myocardial
infarction is a big deal.
00:11
It's a life-altering event,
but I want to share
with you what your body
can do after that.
00:16
It's pretty cool.
00:18
So here's a healthy heart.
00:19
Whoa, whoa, whoa,
don't rush through this
hang out here for a few minutes
and just take a look
at what this drawing
can teach you
now first of all, you already
know where the right atrium is,
the right ventricle,
the left atrium and the left ventricle.
00:33
Good job.
00:34
Now look you've got blood
coming into that right atrium.
00:38
It's going to go through there
through the tricuspid valve
and then out to the lungs
come back from both lungs
into the left atrium.
00:46
So you're still with me.
00:47
It's going to go
through that valve.
00:49
Remember what that name is?
Why am I not telling you?
Because this is a
gentle reminder to you
that it's really important
that you learn the
placement and the names
of each of the
valves in the heart.
01:03
So write yourself a quick note
if some of those
are a little unclear
you just need to be refreshed
so you can remind yourself
of how important it is to
know where those valves are.
01:12
Now cool part you can
take away right now,
is look at how
those valves work.
01:16
This is why they're one way
notice in systole,
which valves are open.
01:21
So systole is when the heart is
pumping down, squeezing down
notice which valves are open
and which valves are closed.
01:29
Now when you see
that heart wall,
relax again,
know which valves are open.
01:34
And now the ones that were
open in systole are
now closed in diastole.
01:40
So you've got
systole and diastole,
systole and diastole.
01:46
Now, I encourage you to take
a little bit of time
to look at this picture
without my voice.
01:51
So I want to give you a few
seconds just to look at it.
01:54
So I'm going to be quiet
and let you take a look.
02:05
All right.
02:05
I promise time invested
here is going to benefit
and pay off for
you in other areas,
but you have to admit this
is a pretty amazing machine
in your heart.
02:17
Now this makes sense why they
left anterior descending.
02:21
The Widowmaker is
such a huge deal
and why it has the
highest mortality rate.
02:26
Look how strongthat
left ventricular wall
has to be
to push blood out to
the rest of the body.