Nerve block: intrascalene - Revision history

Danbot: Danbot moved page Nerve block: Intrascalene to Nerve block: intrascalene without leaving a redirect: Naming convention: first word capitalized, subsequent words lowercase

2026-03-22T05:33:33Z

Danbot moved page Nerve block: Intrascalene to Nerve block: intrascalene without leaving a redirect: Naming convention: first word capitalized, subsequent words lowercase

← Older revision	Revision as of 05:33, 22 March 2026
(No difference)

Blsimpso: /* External Links */

2021-06-29T14:19:59Z

External Links

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	==External Links==		==External Links==
	*http://highlandultrasound.com/interscalene-block/		*http://highlandultrasound.com/interscalene-block/

			===Videos===
			{{#widget:YouTube\|id=7DRPiS3ZrVo}}

	==References==		==References==

Rossdonaldson1: /* Overview */

2021-06-12T20:26:20Z

Overview

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	[[File:Interscalene block.jpg\|thumb\|Left: the red line corresponds to the course of the subclavian artery, while the yellow line represents the brachial plexus and the "X" represents the site of entry of the needle when performing an interscalene block. Right: diagram of the course of the brachial plexus in relation to other important anatomic structures in the right side of the neck.]]		[[File:Interscalene block.jpg\|thumb\|Left: the red line corresponds to the course of the subclavian artery, while the yellow line represents the brachial plexus and the "X" represents the site of entry of the needle when performing an interscalene block. Right: diagram of the course of the brachial plexus in relation to other important anatomic structures in the right side of the neck.]]
	*Provides anesthesia to the shoulder and upper arm.<ref>Ullah H. et al. Continuous interscalene brachial plexus block versus parenteral analgesia for postoperative pain relief after major shoulder surgery. Cochrane Database Syst Rev. 2014 CD007080</ref>		*Provides anesthesia to the shoulder and upper arm.<ref>Ullah H. et al. Continuous interscalene brachial plexus block versus parenteral analgesia for postoperative pain relief after major shoulder surgery. Cochrane Database Syst Rev. 2014 CD007080</ref>
			*Performed by injecting local anesthetic to the nerves of the brachial plexus as it passes through the groove between the anterior and middle scalene muscles, at the level of the cricoid cartilage.

	==Indications==		==Indications==

Rossdonaldson1: /* Overview */

2021-06-12T20:25:37Z

Overview

← Older revision		Revision as of 20:25, 12 June 2021
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	==Overview==		==Overview==
	*Provides anesthesia to the shoulder and upper arm.<ref>Ullah H. et al. Continuous interscalene brachial plexus block versus parenteral analgesia for postoperative pain relief after major shoulder surgery. Cochrane Database Syst Rev. 2014 CD007080</ref>		[[File:Interscalene block.jpg\|thumb\|Left: the red line corresponds to the course of the subclavian artery, while the yellow line represents the brachial plexus and the "X" represents the site of entry of the needle when performing an interscalene block. Right: diagram of the course of the brachial plexus in relation to other important anatomic structures in the right side of the neck.]]
			*Provides anesthesia to the shoulder and upper arm.<ref>Ullah H. et al. Continuous interscalene brachial plexus block versus parenteral analgesia for postoperative pain relief after major shoulder surgery. Cochrane Database Syst Rev. 2014 CD007080</ref>

	==Indications==		==Indications==

ClaireLewis: /* Indications */

2019-09-28T18:53:28Z

Indications

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	*Post operative analgesia for shoulder surgery		*Post operative analgesia for shoulder surgery
	*[[Humerus fracture]]		*[[Humerus fracture]]
	*Lacerations or ~~abscesses~~ of upper arm and deltoid		*[[Lacerations]] or [[abscess]]es of upper arm and deltoid
	*Shoulder dislocation		*[[Shoulder dislocation]]

	==Contraindications==		==Contraindications==

TJYE: /* Complications */

2017-04-09T02:50:48Z

Complications

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	==Complications==		==Complications==
	*Phrenic nerve ~~dysfunction~~<ref>Borgeat A et al. Acute and nonacute complications associated with interscalene block and shoulder surgery: a prospective study. Anesthesiology. 2001 Oct. 95(4):875-80</ref>		*Phrenic nerve paralysis<ref>Borgeat A et al. Acute and nonacute complications associated with interscalene block and shoulder surgery: a prospective study. Anesthesiology. 2001 Oct. 95(4):875-80</ref>
	**Causing unilateral diaphragmatic paralysis and respiratory distress.		**Causing unilateral diaphragmatic paralysis and respiratory distress.
	*[[Pneumothorax]]<ref>Auroy Y. et al. Major complications of regional anesthesia in France: The SOS Regional Anesthesia Hotline Service. Anesthesiology. 2002 Nov. 97(5):1274-80.</ref>		*[[Pneumothorax]]<ref>Auroy Y. et al. Major complications of regional anesthesia in France: The SOS Regional Anesthesia Hotline Service. Anesthesiology. 2002 Nov. 97(5):1274-80.</ref>

TJYE: /* Procedure */

2017-04-09T02:50:12Z

Procedure

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	# Place the linear probe at the level of the larynx and find the IJ vein and the overlying sternocleidomastoid muscle (SCM)		# Place the linear probe at the level of the larynx and find the IJ vein and the overlying sternocleidomastoid muscle (SCM)
	# Slide the probe laterally until the tapering edge of the SCM is visualized		# Slide the probe laterally until the tapering edge of the SCM is visualized
	# The anterior and middle scalene muscles lie directly below the edge of the SCM, and the brachial plexus is sandwiched in between		# The anterior and middle scalene muscles lie directly below the edge of the SCM, and the brachial plexus is sandwiched in between the muscles
	# The C5-C7 roots are usually well visualized and resemble a "traffic light" while C8 and T1 roots are variably visualized		# The C5-C7 roots are usually well visualized and resemble a "traffic light" while C8 and T1 roots are variably visualized
	# Check with color doppler to ensure no blood vessels in the vicinity, and inject the local anethetic next the the roots		# Check with color doppler to ensure no blood vessels in the vicinity
			# Insert the needle in the long axis underneath the probe and inject the local anethetic next the the roots after hydrodissecting the roots with test injections

	==Complications==		==Complications==

TJYE: /* Procedure */

2017-04-09T02:48:27Z

Procedure

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	==Procedure==		==Procedure==
	*Always check for the ~~transverse cervical artery using color Doppler.~~		# Place the linear probe at the level of the larynx and find the IJ vein and the overlying sternocleidomastoid muscle (SCM)
	*Keep needle tip as far from the ~~nerve roots as possible.~~		# Slide the probe laterally until the tapering edge of the SCM is visualized
	*Assume phrenic paralysis and ~~avoid~~ in ~~patients~~ with ~~tenuous respiratory status.~~		# The anterior and middle scalene muscles lie directly below the edge of the SCM, and the brachial plexus is sandwiched in between
			# The C5-C7 roots are usually well visualized and resemble a "traffic light" while C8 and T1 roots are variably visualized
			# Check with color doppler to ensure no blood vessels in the vicinity, and inject the local anethetic next the the roots

	==Complications==		==Complications==

TJYE: /* Indications */

2017-04-09T02:39:49Z

Indications

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	*[[Humerus fracture]]		*[[Humerus fracture]]
	*Lacerations or abscesses of upper arm and deltoid		*Lacerations or abscesses of upper arm and deltoid
			*Shoulder dislocation

	==Contraindications==		==Contraindications==

Mholtz at 00:26, 25 December 2016

2016-12-25T00:26:47Z

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	==See Also==		==See Also==
	*[[Nerve blocks (main)]]		*[[Nerve blocks (main)]]
			*[[Local anesthetic systemic toxicity]]

	==External Links==		==External Links==