Notes in 46 Peripheral Nerve Blocks

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Published	12/13/2023	In nearly all patients, an interscalene nerve block also causes transient ipsilateral {{c1::diaphragmatic}} paralysis.
Published	12/13/2023	The {{c2::infraclavicular block}} blocks the brachial plexus at the level of the {{c1::cords}}, and is used for {{c3::elbow and below}} surgical proce…
Published	12/13/2023	What are the primary nerves anesthetized in a axillary block?{{c1::Median, ulnar, radial::3}}
Published	12/13/2023	Intravenous regional anesthesia, also called a {{c2::Bier block}}, can provide intense surgical anesthesia for {{c1::short (45–60 min)::how long?}} su…
Published	12/13/2023	A {{c1::femoral nerve}} block alone will seldom provide adequate surgical anesthesia, but it is often used to provide postoperative analgesia for…
Published	12/13/2023	A {{c1::psoas compartment}} block blocks the lumbar plexus.
Published	12/13/2023	Blockade of the {{c1::sciatic nerve}} may occur anywhere along the {{c3::back of thigh::where?}}, and is indicated for surgical procedures involving t…
Published	12/13/2023	{{c1::Popliteal nerve}} blocks target the {{c3::sciatic nerve}} in the proximal popliteal fossa and provides analgesia for surgery below the knee…
Published	12/13/2023	A complete {{c1::ankle}} block requires a series of five nerve blocks:Arising from the femoral nerve: {{c2::saphenous}}Arising from the sciatic n…
Published	12/13/2023	The {{c2::supraclavicular block}} blocks the brachial plexus at the level of the {{c1::division}}, and is used for {{c3::mid-humerus and below}} surgi…
Published	12/13/2023	What nerve block is this? {{c1::Infraclavicular block }}
Published	12/13/2023	What nerve block is this? It requires multiple injections..{{c1::Axillary block}}
Published	12/13/2023	Does Infraclavicular blocks anesthetize the upper arm and shoulder? {{c1::No - or variable; Infraclavicular blocks are for procedures at/or …
Published	12/13/2023	{{c1::Horner}} syndrome may occur after a {{c2::interscalene}} or {{c2::supraclavicular}} block, as well as neuraxial anesthesia.
Published	12/13/2023	The {{c1::brachial}} plexus is formed by the anterior rami of {{c2::C5}}-{{c2::T1}}.
Published	12/13/2023	The five components of the brachial plexus are (from proximal to distal):1. {{c1::Roots}}2. {{c2::Trunks}}3. {{c3::Division}}4. {{c4::Cords}}5. {{c5::…
Published	12/13/2023	The {{c1::superior}} trunk of the brachial plexus arises from {{c2::C5-C6::roots}}.
Published	12/13/2023	The {{c1::middle}} trunk of the brachial plexus arises from {{c2::C7::roots}}.
Published	12/13/2023	The {{c1::inferior}} trunk of the brachial plexus arises from {{c2::C8-T1::roots}}.
Published	12/13/2023	The three trunks of the brachial plexus are the {{c1::superior}}, {{c1::middle}}, and {{c1::inferior}} trunks.
Published	12/13/2023	Each trunk of the brachial plexus is divided into {{c1::anterior and posterior}} divisions.
Published	12/13/2023	The three cords of the brachial plexus are the {{c1::lateral}}, {{c1::posterior}}, and {{c1::medial}} cords.
Published	12/13/2023	The five nerves that arise from the {{c1::brachial plexus}} can be memorized with the mnemonic Most Alcoholics Must Really Urinate:1. {{c2::Muscu…
Published	12/13/2023	The {{c1::lateral}} cord arises from the {{c2::anterior branches::branch(es)}} of the {{c2::superior and middle trunks::trunk(s)}}.
Published	12/13/2023	The {{c1::posterior}} cord arises from the {{c2::posterior branches::branch(es)}} of the {{c2::superior, middle, and inferior trunks::trunk(s)}}.&nbsp…
Published	12/13/2023	The {{c1::medial}} cord arises from the {{c2::anterior branch::branch(es)}} of the {{c2::inferior trunk::trunk(s)}}.
Published	12/13/2023	The {{c2::interscalene block}} blocks the brachial plexus at the level of the {{c1::trunk}}, and is used for {{c3::shoulder and proximal humerus}} sur…
Published	12/13/2023	What landmark is used to identify a supraclavicular block of the brachial plexus?{{c1::Lateral border of the 1st rib and clavicle}}
Published	12/13/2023	The {{c2::axillary nerve}} block is performed lateral to the {{c3::pectoralis minor}}, and multiple injections are required to produce anest…
Published	12/13/2023	What nerve arises from the femoral nerve (near the knee)?{{c1::Saphenous nerve}}
Published	12/13/2023	In the femoral canal, what is the order of the structures from lateral to medial?{{c1::Nerve, artery, vein}}
Published	12/13/2023	Where is a femoral nerve block performed?{{c1::Inguinal crease}}
Published	12/13/2023	The {{c1::adductor canal}} block is used to block the {{c2::saphenous nerve}} in the adductor canal, and provides analgesia for the {{c3::knee and med…
Published	12/13/2023	What three muscles form the adductor canal?{{c3::Vastus medialis::Anterior}}{{c2::Adductor longus::Posterior}}{{c1::Sartorius::Medial}}
Published	12/13/2023	What muscles form the popliteal fossa?Medial: {{c1::Semitendinosus}} and {{c1::Semimembranosus}}Lateral: {{c2::Biceps femoris}}
Published	12/13/2023	{{c1::Horner}} syndrome presents with a triad of {{c2::miosis}}, {{c2::ptosis}}, and {{c2::anhidrosis}}.
Published	12/13/2023	When performing a Bier block, wrapping an {{c1::Esmarch bandage}} helps {{c2::exsanguinate}} the arm.
Published	12/13/2023	When performing a Bier block, use of a {{c1::double tourniquet}} can help prolong the duration.
Published	12/13/2023	What medication cannot be administered in an ankle block?{{c1::Epinephrine}}
Published	12/13/2023	When performing a Bier block, the tourniquet must remain inflated for a minimum of {{c1::20}} minutes.
Published	12/13/2023	When performing a TAP block, the needle is advanced between the {{c1::internal oblique}} muscle and the {{c2::transverse abdominis}} muscle.…
Published	12/13/2023	The {{c1::thoracic paravertebral space}} is a potential space targeted in a thoracic paravertebral block.
Published	12/13/2023	The {{c1::thoracic paravertebral block}} targets the {{c2::ventral ramus}} of a spinal nerve, producing a {{c3::uni}}lateral sensory and sympathe…
Published	12/13/2023	What nerve block is this? {{c1::Interscalene block }}
Published	12/13/2023	What nerve block is this? {{c1::Supraclavicular block }}
Published	12/13/2023	What is the landmark for an axillary block?{{c1::Axillary artery pulse}}
Published	12/13/2023	What local anesthetic (concentration + volume) is used for a Bier block?{{c1::0.5% lidocaine 50 mL}}
Published	12/13/2023	What three nerves are blocked in a psoas compartment block?{{c1::Lateral femoral cutaneous}}{{c2::Femoral}}{{c3::Obturator}}
Published	12/13/2023	A psoas compartment block is done {{c1::3}} cm caudad to L4 and {{c2::5}} cm lateral.
Published	12/13/2023	Psoas compartment block: When the needle contacts the transverse process, it is "walked off" {{c1::caudally}}.
Published	12/13/2023	Psoas compartment block: How far past the transverse process can a needle be inserted?{{c1::2 cm}}
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