Surgery Book

http://www.fpnotebook.com/

Ulnar Nerve Block

Aka: Ulnar Nerve Block, Regional Anesthesia of the Ulnar Nerve
  1. See Also
    1. Median Nerve Block
    2. Radial Nerve Block
  2. Indications
    1. Anesthesia of Ulnar Nerve distribution
  3. Precautions
    1. Avoid injecting directly into Ulnar Nerve
    2. Avoid injection into ulnar artery
  4. Preparation
    1. Needle: 27 gauge 1.5 inch
    2. Anesthetic: Lidocaine 1%: 10 ml
  5. Technique: Ulnar Nerve Block at wrist
    1. Injection site 1: Palmar branch of the Ulnar Nerve
      1. Between flexor carpi ulnaris tendon and ulnar artery
      2. Inject at depth of 1-2 cm at proximal wrist crease
      3. Needle parallel to wrist crease toward radius
    2. Injection site 2: Dorsal branch of the Ulnar Nerve
      1. Distal aspect of ulnar styloid process (dorsum)
      2. Infiltrate 3-4 ml subcutaneously
    3. Warning: Distal Paresthesias with needle with injection
      1. Indicates needle is at Ulnar Nerve
      2. Do not inject here!
      3. Remove needle and reposition
  6. Technique: Ulnar Nerve Block at elbow
    1. Higher risk procedure due to nerve injury
    2. Position
      1. Flex elbow to 90 degrees
    3. Injection
      1. Inject between olecranon and medial epicondyle
      2. Inject 3-5 ml at depth of 0.5 cm
  7. References
    1. Pfenninger (1994) Procedures, Mosby, p. 1036-54
    2. Salam (2004) Am Fam Physician 69(4):896 [PubMed]

You are currently viewing the original 'fpnotebook.com\legacy' version of this website. Internet Explorer 8.0 and older will automatically be redirected to this legacy version.

If you are using a modern web browser, you may instead navigate to the newer desktop version of fpnotebook. Another, mobile version is also available which should function on both newer and older web browsers.

Please Contact Me as you run across problems with any of these versions on the website.

Navigation Tree