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Applied anatomy for upper limb nerve blocks

机译:上肢神经阻滞的应用解剖

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The brachial plexus derives from C5, C6, C7, C8 and Tl nerves. It is made up of five roots, between the scalene muscles, three trunks (upper, middle and lower) lying in the posterior triangle, each of which divide into anterior and posterior divisions behind the clavicle to form lateral, medial and posterior cords in the upper axilla. The plexus gives rise to the definitive motor and cutaneous nerve supply to the upper limb. The plexus can be blocked by local anaesthetic infiltration at its root/trunk level in the fascial sheath compartment between the scalenes, or as it crosses the first rib. Block can also be performed around the axillary artery. Peripherally, the nerves may be blocked at the elbow, wrist or finger level.
机译:臂丛神经来源于C5,C6,C7,C8和T1神经。它由位于斜角肌之间的五个根,位于后三角中的三个主干(上部,中部和下部)组成,每个主干在锁骨后分成前部和后部,从而在锁骨中形成外侧,内侧和后部的绳索。上腋。神经丛引起上肢的确定运动和皮肤神经供应。神经丛可在斜角肌之间的筋膜鞘腔内或穿过第一根肋骨时,在其根/躯干处被局部麻醉药浸润所阻塞。也可以在腋动脉周围进行阻滞。周围神经可能在肘部,腕部或手指水平处被阻塞。

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