Nerve Bundles

3D How To: Infraclavicular Nerve Block

Read more about 3D How To: Infraclavicular Nerve Block

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3D animation demonstrating an ultrasound guided infraclavicular nerve block.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- [Voiceover] A linear array transducer
with a nerve exam type is used to perform
an ultrasound-guided, infraclavicular regional nerve block.
The target depth is approximately three to four centmeters
in an 80 kilogram adult.
The patient is positioned supine
with the arm abducted 90 degrees
and the elbow bent 90 degrees
to move the clavicle posterior,
and permit a shallow angle of needle insertion.
The patient's head should be rotated
toward the contralateral side.
The transducer is placed on the chest in a paramedian plane,
inferior to the midpoint of the clavicle
with the orientation marker directed to the patient's head.
The axillary artery is seen as
a dark, round pulsatile structure with a hyperechoic wall
inferior to the pectoralis major and minor muscles.
The axillary vein lies beside the axillary artery
and collapses with compression.
The nerve cords appear as hyperechoic circles
with a honeycomb appearance
within the bright hyperechoic fascia of the brachial plexus.
The transducer is slowly moved in a lateral direction,
following the course of the axillary artery.
The nerves will split into a lateral,
medial, and posterior cord.
The optimum position of the transducer
for the infraclavicular nerve block
is as lateral as possible.
The needle is positioned two centimeters cephalad
to the transducer and advanced using an in-plane technique.
The needle path is directed over the clavicle
and through the pectoral muscles.
The initial endpoint for the needle is
immediately posterior to the midpoint of the artery.
The spread of local anesthetic should be observed.
Supplemental injections can be made anterior to the artery
to deposit local anesthetic
around the lateral and medial cords if required.

Brightcove ID

5745561363001

https://youtube.com/watch?v=8xRDVLKb5BY

3D How To: Ultrasound Guided TAP Block

Read more about 3D How To: Ultrasound Guided TAP Block

/sites/default/files/Ilioinquinal_Iliohypogastric_edu00498_thumnail.jpg

3D animation demonstrating an ultrasound guided Ilioinguinal and Iliohypogastric nerve blocks.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- [Voiceover] A linear array transducer
with a nerve exam type is used to perform
an ultrasound guided ilioinguinal
and iliohypogastric nerve block.
The target depth is approximately three centimeters
in an 80 kilogram adult.
The patient is positioned in a supine position.
The transducer is placed over the bony prominence
of the anterior superior iliac spine
with the orientation marker directed to the patient's right.
The transducer is rotated slightly counterclockwise
so one side rests on the anterior superior iliac spine
and the other side points at the umbilicus.
The medial side of the transducer is slowly swept superiorly
and inferiorly while maintaining the bony iliac crest
in the lateral part of the ultrasound image.
The structures of the anterior abdominal wall
should be identified from superficial to deep,
including adipose tissue, external oblique muscle,
internal oblique muscle,
and the transversus abdominis muscle.
A fourth muscle, the iliacus, may occasionally
be visualized underneath the transversus abdominis.
The nerves are located between the internal oblique
and the transversus abdominis muscle layers.
They may appear only as hyperechoic thickness
between these two muscles or as dark hypoechoic
oval structures with the bright hyperechoic covering.
The nerves are very closely related to the iliac crest.
The needle is advanced using an in-plane
or out-of-plane technique.
If using an in-plane technique,
the needle is positioned one to two centimeters
medial to the transducer and advanced under the transducer.
The end point for the needle is
between internal oblique and transversus abdominis.
The local anesthetic is injected incrementally
close to the nerves.

Brightcove ID

5508136009001

https://youtube.com/watch?v=uurxBFRT_EE

3D How To: Gluteal Sciatic Nerve Block

Read more about 3D How To: Gluteal Sciatic Nerve Block

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3D animation demonstrating an ultrasound guided Gluteal Sciatic nerve block.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- [Voiceover] A curved array transducer
with a nerve exam type is used to perform
a ultrasound guided sciatic nerve block.
The target depth is approximately four to six centimeters
in an 80 kilogram adult.
The patient is positioned in a lateral decubitus position
with the hip and knee flexed.
The transducer is placed between the greater trochanter
and the ischial tuberosity in a transverse position
just proximal to the gluteal fold
with the orientation marker directed laterally.
The bony landmarks will appear
as bright hyperechoic crescents with posterior shadowing.
There are several layers of tissue
between the bony landmarks, which should be identified
from superficial to deep, including adipose tissue,
the gluteus maximus muscle and quadratus femoris muscle.
The sciatic nerve lies deep to the gluteus maximus
and superficial to the quadratus femoris muscle.
It appears as a bright hyperechoic oval
or triangular shaped density.
The transducer should be moved slightly cranially
or caudally from the initial position
by slightly rocking the transducer
so the beam is perpendicular to the nerve
for the best echo reflection if it is difficult to identify.
When the transducer is moved distally in the thigh,
the sciatic nerve becomes more oval in shape
and is found more superficially between the biceps femoris
and abductor magnus muscles.
The needle is advanced using an in plane technique.
The needle is positioned one to two centimeters lateral
to the transducer and advanced slowly under the transducer.
The initial end point for the needle
is just lateral and deep to the nerve.
The local anesthetic is injected incrementally
close to the nerve.
For a successful block, a spread of locals
should be observed around the medial side
or tibial component of the nerve.

Brightcove ID

5508134308001

https://youtube.com/watch?v=xvAY_bu_S7A

3D How To: Femoral Nerve Block

Read more about 3D How To: Femoral Nerve Block

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3D animation demonstrating an ultrasound guided femoral nerve block.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- [Voiceover] A linear array transducer
with a nerve exam type is used to perform
an ultrasound-guided femoral nerve block.
The target depth is approximately one to three centimeters
in an 80 kilogram adult.
The patient is placed in a supine position.
The transducer is placed just superior
to the inguinal skin crease
with the orientation marker directed to the patient's right.
The common femoral artery is seen
as a round, pulsatile structure.
The transducer should be moved laterally
one to two centimeters to identify the femoral nerve.
The nerve lies deep to the fascia iliaca
and appears as an oblong, bright hyperechoic structure
lying on the iliacus muscle.
It may contain dark hyperechoic circles
that represent the nerve fascicles.
The nerve always lies deep to the fascia iliaca
and should not be confused
with the bright hyperechoic tissue lying above the fascia,
which is lymphatic tissue.
The needle is advanced using an in-plane technique.
The needle is positioned one to two centimeters lateral
to the transducer and advanced under the transducer.
The initial end point for the needle
is just lateral to the nerve and deep to the fascia iliaca.
The local anesthetic is injected incrementally,
close to the nerve.
For a successful block, a spread of local
should be observed behind the femoral artery.
If local anesthetic is identified anterior to the artery,
then the needle is superficial to the fascia iliaca
and the needle needs to be repositioned deeper.

Brightcove ID

5508117977001

https://youtube.com/watch?v=pCkjioc-EmQ

3D How To: Axillary Nerve Block

Read more about 3D How To: Axillary Nerve Block

/sites/default/files/Axillary_edu00492_thumbnail.jpg

3D animation demonstrating an ultrasound guided axillary nerve block.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- [Voiceover] A linear array transducer with a nerve
exam type, is used to perform an ultra sound
guided axillary regional nerve block.
The target depth is approximately one to two
centimeters in an 80 kilogram adult.
The patient is positioned supine with the arm
abducted 90 degrees, and the elbow bent 90 degrees.
The transducer is placed high as possible in the axilla,
with the orientation marker directed to the patient's head.
Slowly slide the transducer in a lateral to medial
direction to identify the axillary artery.
The axillary artery is a dark, round, pulsitile structure
with a hyperechoic wall.
The axilalry veins lie around the periphery of the artery
and are easily compressed.
Slide the transducer up the arm to a proximal
position, so the terrace major muscle,
which helps control the distribution of local
anesthetic during injection, is postero-medial
to the artery and nerves.
The biceps and coracobrachialis muscles, will appear
lateral to the artery.
The median, ulner, and radial nerves appear as
hyperechoic circles, with a honey comb appearance
surrounding the artery.
The nerve positions will vary around the artery.
The transducer is slowly moved laterally over
the biceps and corocobrachealis muscles.
The musculocutaneous nerve can be seen between
these muscles as a small, bright, hyperechoic circle
or triangle.
The needle is positioned one to two centimeters
lateral to the transducer, and advanced using
an in plane technique.
The needle path is directed through the biceps muscle,
toward the musculocutaneous nerve.
The initial end point for the needle is immediately
beside the musculocutaneous nerve, where three
to five CCs of anesthetic should be injected.
The needle is then advanced to a position immediately
post-terior to the artery.
As local anesthetic is injected, the terrace muscle
is pushed down, and the local anesthetic should
spread medial and lateral underneath the artery.
The needle can be advanced through hydrodisection
to facilitate appropriate spread of local anesthetic.
Finally, the needle is withdrawn and redirected anterior
to the artery.
Local anesthetic should be injected over the artery
to finish with a circumferential spread of local anesthetic
around the artery.

Brightcove ID

5765653161001

https://youtube.com/watch?v=3MBmUFMoH7w

3D How To: Saphenous Nerve Block

Read more about 3D How To: Saphenous Nerve Block

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3D animation demonstrating an ultrasound guided saphenous nerve block.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Media Library Tag

Subtitles

- [Voiceover] A linear array transducer
with a nerve exam type is used to perform
an ultrasound-guided saphenous nerve block.
The target depth is approximately
one to three centimeters in an 80 kilogram adult.
The patient is positioned in a supine position
with the leg slightly abducted and externally rotated.
The transducer is placed in the middle of the thigh
in a transverse plane, with the orientation marker
directed to the patient's right.
The leg is scanned medially to laterally
to identify the superficial femoral artery,
which lies underneath the sartorius muscle.
The saphenous nerve can lie either
anterior or posterior to the artery.
The saphenous nerve may not be visible.
If it is, it will appear as a bright,
hyperechoic oval or triangular structure.
The needle is positioned one to two centimeters lateral
to the transducer, and advanced under the transducer.
Local anesthetic is injected incrementally,
superficial and deep to the artery
to complete the saphenous nerve block.

Brightcove ID

5508114714001

https://youtube.com/watch?v=54VG2GhJ3w4

Body

3D animation demonstrating an ultrasound guided saphenous nerve block.

3D How To: Supraclavicular Nerve Block

Read more about 3D How To: Supraclavicular Nerve Block

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3D animation demonstrating an ultrasound guided Supraclavicular nerve block.

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Media Library Tag

Subtitles

- [Voiceover] A linear array transducer with
a nerve exam type is used to perform an ultrasound guided
supraclavicular regional nerve block.
The target depth is approximately one to three centimeters
in an 80 kilogram adult.
The patient is positioned in a 45 degree
reclining position with a pillow under their head
and the neck exposed on the operative side.
The patient's head is rotated toward the contralateral side.
The examination begins by finding the supraclavicular region
of the brachial plexus as a landmark technique.
The transducer is placed posterior
to the midpoint of the clavicle at an acute angle
with the orientation marker directed
to the patient's right at a ten o'clock position
with the transducer aimed into the thorax.
The subclavian artery is seen as a round pulsal tile
structure superior to the bright reflection
of the first rib.
The plura is seen as a bright hyperechoic reflection
deep two, or at the same depth as the first rib.
The nerves of the brachial plexus are posterior
or superior to the subclavian artery.
The nerve trunks appear as hypoechoic dark circles
within the bright hyperechoic fascia of the brachial plexus.
Colored doppler imaging may be used
to identify smaller arterial branches
running through the brachial plexus
or lying in the path of needle advancement.
The needle is positioned one to two centimeters
lateral to the transducer, and advanced
using an in plane technique.
The initial end point of the needle
is just posterior to the artery
immediately above the first rib.
It is important to distinguish the plura
from the first rib to avoid a pneumothorax.
The local anesthetic is injected
incrementally close to the nerves.
The needle can be redirected towards
the upper trunks of the brachial plexus
if the spread of local anesthetic is not deemed adequate.

Brightcove ID

5750031878001

https://youtube.com/watch?v=9vW1uo7mKDc

Body

3D animation demonstrating an ultrasound guided Supraclavicular nerve block.

How To Perform An Interscalene Nerve Block

Read more about How To Perform An Interscalene Nerve Block

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Dr. David Auyong reviews scanning techniques and sonographic landmarks for an interscalene brachial plexus nerve block.

Media Library Type

How To Videos

Subtitles

- The interscalene block is used
for shoulder surgery and clavicle surgery.
So, to start the interscalene block,
proper positioning is very important.
The best way to get to the interscalene block
is to have the patient sitting up
about 30 or 45 degrees.
Next, we turn the patients head away
from the shoulder to the opposite side.
This gives us a lot of room to put the probe
and have our hands come from the posterior side.
The proper approach to the interscalene block
is to have the needle approach from the posterior side.
This avoids the phrenic nerve and allows us
to not injure the phrenic nerve with our needle approach.
So, for the interscalene block,
we usually use a high frequency linear probe.
The high frequency linear probe is best
for structures that are superficial.
Usually, in the interscalene groove,
the interscalene nerves or the roots
of the brachial plexus lie very shallow.
Usually, two centimeters or less
even in large patients.
So, to start, I usually set my ultrasound depth
to approximately three centimeters
in an average sized patient.
I also set the frequency to general setting
or resolution setting, in skinnier patients.
To get to the interscalene groove
the best place to start is in the supraclavicular region.
The reason we start in the supraclavicular region
is that it allows us to use
a vascular structure to find the nerves.
So, when I start, I put the probe on
just posterior to the clavicle
aiming straight down the body.
In this area we will see a pulsating artery
sitting on the first rib,
as well as some pleura, possibly.
Posterior to the pulsating subclavian artery
are your nerves.
Your nerves in this setting are hyperechoic, or bright,
and have many fascicles, or dark circles, within 'em.
These are the nerves that are gonna become
the roots of the brachial plexus
as we trace backwards up the neck.
Now, to find the interscalene groove
we take our pulsating artery,
look for the nerves posterior,
and we're gonna slide the probe back up the neck.
The probe slides up the neck as well as tilts
as we move the probe up the neck.
Here, we are moving up the neck
following the upper trunk, this most superior nerve,
as we go up the neck those nerves will become
more dark and larger fascicles, or dark circles.
Now, we are up at the interscalene groove.
The interscalene groove is found by identifying
the anterior scalene muscle,
anterior here is to the left of the screen
and the middle scalene muscle
posterior to the right of the screen.
The nerves are hypoechoic, or dark, surrounded by
hyperechoic, or bright, fascial covering.
Here, we are looking at the C5 and C6 nerve roots
in the interscalene groove.
If I slide the probe anterior,
we get a carotid artery
with a internal jugular vein on top of it.
The sternocleidomastoid is above these structures.
As I slide posterior, we have out anterior scalene,
our interscalene groove,
and posterior is our middle scalene.
Here is a very good picture
of the nerve roots here and they are
sandwiched between the anterior scalene on the left
and the middle scalene on the right.
So, now, we are looking specifically
at the C5 and C6 nerve roots.
Our needle approach comes from posterior.
Usually, I start the needle
approximately one centimeter away from the probe.
In this image we see the interscalene groove
with the C5, C6 nerve roots.
The needle is passing through the middle scalene muscle.
You'll see an injection on the posterior side
of the brachial plexus.
The needle will be then moved
underneath the C6 nerve root.
An injection will be given now.
You can see the local anesthetic spreading
on the anterior side of the brachial plexus,
between the brachial plexus and the anterior scalene muscle.
And the needle is positioned below the C6 nerve roots.
I usually deposit about
20 to 30 milliliters of local anesthetic.
Some people use less to avoid
paralysis of the phrenic nerve, temporarily,
from the local anesthetic.

Brightcove ID

5508105692001

https://youtube.com/watch?v=0Cboqf1Qnhc

Body

Dr. David Auyong reviews scanning techniques and sonographic landmarks for an interscalene brachial plexus nerve block.

How to: Infraclavicular Brachial Plexus Nerve Block

Read more about How to: Infraclavicular Brachial Plexus Nerve Block

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Dr. David Auyong reviews scanning techniques and sonographic landmarks for an ultrasound guided nerve block .

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- The infraclavicular block is used for surgery
below the mid-humerus.
Any surgery of the elbow, forearm, wrist or hand
can be performed under a properly executed
infraclavicular block.
Many people use curvilinear, low-frequency
or mid-frequency probe to do the infraclavicular block.
With proper positioning
you can do a infraclavicular block
with a basic linear probe.
I'm gonna demonstrate the infraclavicular block
with a basic linear probe
because most people have a linear probe
in their ultrasound repertoire.
Proper positioning for
the infraclavicular block is important.
We usually keep the patient supine
for infraclavicular block.
We also move the patient completely to the other side
of the bed of the site to be blocked.
Abduction of the arm moves the clavicle down
and out of the way of your needle.
If the arm is down by the side
our needle approach is gonna bump into the clavicle.
Usual depth settings
for infraclavicular block in a normal patient
usually range between four to six centimeters total depth.
Ultrasound probe positioning in the infraclavicular region
is done in the parasagittal plane below the clavicle.
I will orient the probe
so the left side of the screen is caudal
and the right side of the screen is cranial.
This makes sense because if I bring
the needle from the cranial side on the screen
it will also come from the right side.
The first thing we see here
is the pectoralis major
and we also will see a pectoralis minor
if I move slightly lateral.
Here we now have identified both the axillary vein
and the axillary artery.
The vein is found more caudal than the artery.
The artery is found cranial.
Around the artery we now identify our nerves.
The nerves at this level
are the cords of the brachial plexus.
Traditionally the medial cord is described as being
approximately seven to ten o'clock
on the artery in this picture.
The posterior cord is described around
six o'clock on the artery
and the lateral cord is described between three
and six o'clock on this picture.
It's difficult to see individual nerves
because this is a deep block.
So the important thing is to surround the artery
with local anesthetic.
Now if we move more medially
we see some lung on the bottom left side of the screen here.
Lateral approaches to the infraclavicular block are safer
because the more lateral you are
the less likely you are to enter the lung with your needle.
Typically we use about 20 to 30 milliliters
of local anesthetic for infraclavicular block.
Our first injection of the artery
will be below the artery.
Some studies have described a single injection
resulting in a complete brachial plexus block
by depositing our entire local anesthetic below the artery.
Usually I do my first injection below the artery
and look at the spread.
If the spread is adequate I'll stop there.
If I need to position the needle in other places
I'll go either to the lateral cord
or approximately three o'clock
and then lastly at the medial cord
which would be about ten o'clock on the artery.
Complete spread of local anesthetic around the artery
will result in a good brachial plexus block.
In this image of the infraclavicular block
we see the local anesthetic being injected
cranial to the axillary artery.
Superficial we see the pectoralis major.
The pectoralis minor's not very visible on this picture.
Deep to the artery we see the subscapularis.
The needle has now injected on the cranial side
and is being advanced deep to the artery.
And you can see the injection there below the artery
getting local anesthetic around the posterior cord.
We continued to advance the needle
so it injects around the medial cord
on the more caudal side of the artery.

Brightcove ID

5508104662001

https://youtube.com/watch?v=1xTsXuiUNiw

Body

Dr. David Auyong reviews scanning techniques and sonographic landmarks for an ultrasound guided nerve block .

How to: Axillary Nerve Block

Read more about How to: Axillary Nerve Block

/sites/default/files/ST_Axillary_Musculocutaneous_EDU00165.jpg

Dr. David Auyong reviews scanning techniques and sonographic landmarks for an ultrasound guided nerve block .

Clinical Specialties

Anesthesiology (Regional)

Media Library Type

How To Videos

Subtitles

- Axillary nerve blocks are used for surgery,
usually below the elbow.
If properly executed, axillary nerve block
can be performed by identifying individual nerves
or just in depositing local anesthetic
below the artery and above the axillary artery.
Axillary nerve blocks under ultrasound
can improve safety because you can view
many of the small arteries and veins in the axilla,
and avoid intravascular injection.
To properly position for the axillary nerve block,
we have moved our patient to the opposite side of the bed,
and we will now abduct the arm 90 degrees.
For the axillary nerve block,
we usually use a linear probe.
Usually axillary nerve blocks are very shallow,
so I've put my initial depth setting
to about two and a half to three centimeters.
Usually, I also set the frequency settings
to general or resolution for the axillary nerve block.
To do a properly executed axillary nerve block,
identification of the artery and vein is important.
If you find the artery,
injection below and above the axillary artery
usually results in a good nerve block.
We initially place the probe in the axilla,
and identify a pulsating artery in the axilla.
This is your axillary artery.
Now, as you can see, the pulsating artery,
there is no vein in my initial picture.
This is because the vein is collapsed
with light pressure of the probe.
It is very important to identify the axillary vein,
so you do not inject into the axillary vein.
As I let up some pressure,
you can now see the axillary vein
superficial to my pulsating artery.
Other structures visualized in this shot
include the biceps and coracobrachialis
on the right side of the screen,
and either the latissimus dorsi,
or the triceps, on the left side of the screen,
depending on what level I am at.
Our needle approach to the axillary block
is always cranial to caudal in this direction.
The reason we come cranial to caudal
is for two reasons:
the axillary vein, as you see on the picture,
usually lies caudal,
and we do not wanna puncture the axillary vein
with a needle approach from the caudal side.
Also, it's much cleaner to go through the deltoid
or the biceps, rather than the axilla.
My initial needle insertion point
will direct the needle below the artery.
If you inject below the artery,
local anesthetic can spread backwards
along the latissimus dorsi, or triceps muscle,
to get to the radial and ulnar nerves.
Here, we can see the needle,
advancing through the biceps muscle.
Our first injection is gonna be below the artery,
and you can see the needle advancing to that area.
You can see the axillary artery, and the axillary vein.
The radial nerve is located deep to the axillary artery.
The ulnar nerve is located between the artery and vein,
and the median nerve is located at nine o'clock
on the axillary artery.
Now we see the needle being advanced above the artery.
You can see the local anesthetic has already been injected
deep to the artery,
and now the median nerve is sitting on top of the artery,
at twelve o'clock.
The needle is now pushing the artery down
and injecting local anesthetic all around the artery
and the median nerve.
We then advance the needle towards the ulnar nerve,
which is now directly in front of the needle.
Our goal is to get local anesthetic
around the ulnar nerve here.
Total volume injected appears to be large,
but it is only 20 milliliters so far.
Now the ulnar nerve is visible,
floating in the local anesthetic,
in the median on top of the artery.
Next, I would like to identify the musculocutaneous nerve.
The musculocutaneous nerve is the fourth nerve
of a properly executed axillary block.
I find the musculocutaneous nerve by moving slightly distal
along the arm.
I also wanna increase the depth,
and look for a hyperechoic nerve
within the biceps or coracobrachialis muscle.
Traditionally, the musculocutaneous nerve
can be oval or triangular.
The musculocutaneous nerve is one of the brightest,
or most hyperechoic nerves in the body,
and it's easily blocked with local anesthetic
in the realm of three to five milliliters.
Here we see a hyperechoic musculocutaneous nerve
surrounded by a hyperechoic fascia.
Our needle is being advanced to the lateral portion.
The local anesthetic is now being injected
below the musculocutaneous nerve,
and now above the musculocutaneous nerve,
to give complete surrounding of that nerve.
The needle is being advanced to the biceps muscle.
You can see the pulsatile axillary artery medial as well.

Brightcove ID

5765651694001

https://youtube.com/watch?v=rG7PXuXrqbU

Body

Dr. David Auyong reviews scanning techniques and sonographic landmarks for an ultrasound guided nerve block .

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3D How To: Infraclavicular Nerve Block

3D How To: Infraclavicular Nerve Block

3D How To: Ultrasound Guided TAP Block

3D How To: Ultrasound Guided TAP Block

3D How To: Gluteal Sciatic Nerve Block

3D How To: Gluteal Sciatic Nerve Block

3D How To: Femoral Nerve Block

3D How To: Femoral Nerve Block

3D How To: Axillary Nerve Block

3D How To: Axillary Nerve Block

3D How To: Saphenous Nerve Block

3D How To: Saphenous Nerve Block

3D How To: Supraclavicular Nerve Block

3D How To: Supraclavicular Nerve Block

How To Perform An Interscalene Nerve Block

How To Perform An Interscalene Nerve Block

How to: Infraclavicular Brachial Plexus Nerve Block

How to: Infraclavicular Brachial Plexus Nerve Block

How to: Axillary Nerve Block

How to: Axillary Nerve Block

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