All language subtitles for CPR in Action A 3D look inside the body.eng(translated).eng(translated)

Our heart is an amazing organ.

It works hard for us every second of every day,

delivering blood and oxygen to every cell in our body.

But when Sudden Cardiac Arrest strikes,

our heart suddenly and unexpectedly stops
beating effectively and blood flow stops.

Without any intervention, the brain, vital
organs, and our heart will begin to die.

Beginning CPR is the person's only chance of survival.

Brain damage will start to set in within four minutes,

and after 10 minutes, brain damage becomes irreversible.

The Power to Save a Life is truly in your hands.

Performing CPR accomplishes two critical things:

1. compressions move oxygenated blood
to the brain, to keep the brain alive.

2. compressions keep blood and oxygen
moving to the heart muscle itself so that

it has the best chance of resuming a normal
electrical rhythm after a shock is delivered.

As you begin compressions,

you are creating an artificial pump and
doing the work of the heart manually.

With each good effective compression you
are building up pressure in the system

which will move blood around
the heart and up to the brain.

It does take time to get the blood moving
with CPR so it is very important to

PUSH HARD and PUSH FAST to build the pressure
up, which keeps blood going to the brain.

Pushing down at least two inches allows for
the heart to be squeezed and blood to move out.

Pushing at a rate of 100 to 120 compressions
per minute is necessary to keep blood pumping.

Let's see what happens when we
take our hands off the chest.

Blood stops moving to the brain. It is for this
reason that if you are taking your hands off the

chest to deliver breaths, or switching rolls,
it is critical to minimize time off the chest.

Watch what happens when we don't push deep
enough. Blood does not reach the brain.

The same is true if we do not push fast enough.
Watch what happens when we push too fast.

The heart does not have time to refill with
blood, therefore not enough blood gets pumped out.

Watch what happens when we don't allow the body
to decompress and allow the chest to fully recoil.

The heart does not have a chance to refill
with blood, therefore no blood gets pumped out.

So remember, the key purpose of
delivering compressions is to keep

oxygenated blood moving within
the heart and up to the brain

to keep the brain alive. We need to PUSH HARD
and PUSH FAST in the center of the chest.

If ribs break, that's okay. What's not okay is
allowing the brain to die from a lack of oxygen.

So remember, you are their only hope.

Do the best you can and don't give up until
medical help arrives or an AED is present.

You can do it!