Axillary Nerve Block

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Axillary Nerve Block:

Anesthetic block of the brachial plexus is achieved by infusing local anesthetic into the axillary sheath (an extension of the pre vertebral fascia of the neck, which encloses the major branches of the brachial plexus, the axillary artery and vein). This anesthetic block combined with block of the blood flow to the upper limb (by tourniquet) allows surgeons to operate on the upper limb without having to place the patient under general anesthesia. It is interesting to note that the upper limb can tolerate 1 to 2 hours without blood flow and still be entirely normal when the tourniquet is relaxed and the blood flow is reestablished at the end of the operation. This capacity to tolerate extended periods without blood flow makes possible the reattachment of traumatically severed fingers or indeed the entire upper limb).

Chapters on Shoulder Anatomy:

1. Arteries of the Axilla
2. Arteries of the Shoulder Girdle
3. Axillary Artery Aneurysm
4. Axillary Fat and Fascia
5. Axillary Nerve Block
6. Bones and Fractures of the Upper Limb
7. Boundaries of the Axilla
8. Breast Cancer and Axillary Lymph Nodes
9. Erb-Duchenne Palsy
10. Joints of the Shoulder Girdle
11. Klumpke's Paralysis
12. Lymph Nodes of the Axilla
13. Muscles of the Axilla
14. Muscles of the Shoulder Girdle
15. Notes on Shoulder Bursae
16. Roots and Trunks of the Brachial Plexus
17. Winged Scapula in Computer Programmer
18. Transient Axillary Paralysis
19. Variation of Brachial Plexus Structure
20. Veins of the Axilla

Additional Reading:

Histology and Cytology

1. Cell Components
2. Nervous Tissue
3. Muscle Tissue
4. Lymphoid Tissue
5. Integument
6. Respiratory System
7. Gastrointestinal System
8. Renal/Urinary System
9. Male Reproductive System
10. Female Reproductive System

Gross Anatomy

1. Back and Nervous System
2. Thorax
3. Abdomen, Pelvis, and Perineum
4. Upper Limb
5. Lower Limb
6. Head and Neck
7. Chest Wall
8. Shoulder

Anatomy Videos

1. Video of Musculoskeletal Examination in a Clinical Setting
1. Video of HEENT Examination in a Clinical Setting

Related Topics

1. Jugular Venous Distention Workup

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Useful Medical Images & Diagrams (link opens in a new window)

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