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This Concept Map, created with IHMC CmapTools, has information related to: LAB 3- EQUINE DIAGNOSTIC LOCAL ANESTHESIA, JOINT BLOCKS (intra-synovial blocks) TYPES OF JOINT BLOCKS (hover) DIGITAL FLEXOR TENDON SHEATH, EQUINE LOWER LIMB ANATOMY 4 MAIN REGIONS of the distal forelimb/hindlimb, JOINT BLOCKS (intra-synovial blocks) PREPARATION PROCESS -Because this requires entering the joint, Aseptic preparation for 10 mins minimum is necessary -Sterile procedure -Use unopened bottle of local anaesthesia -Bandaging the injection site is recommended to prevent contamination and swelling, -speed of onset action -good spreading properties -'all-round' useful anesthesic HOW? - binds and blocks sodium gated channels on neuronal cell membrane -no depolarization (mo influx of sodium ions from extracellular to intracellular), EQUINE DIAGNOSTIC LOCAL ANESTHESIA WHERE IS IT DONE? EQUINE LOWER LIMB ANATOMY, Canon (hover) Fetlock joint (hover), EQUINE DIAGNOSTIC LOCAL ANESTHESIA HOW? JOINT BLOCKS (intra-synovial blocks), EQUINE DIAGNOSTIC LOCAL ANESTHESIA HOW? NERVE BLOCKS (hover), COMPLICATIONS: -Cellulitis -Synovitis (septic and non-septic) -Toxicity due to local anaesthetic -Hematoma PROBLEMS ASSOCIATED JOINT BLOCKS (intra-synovial blocks), NERVE BLOCKS (hover) TYPES OF NERVE BLOCKS (hover) Abxial sesamoid block (hover), JOINT BLOCKS (intra-synovial blocks) TYPES OF JOINT BLOCKS (hover) PIP/PASTERN JOINT, Stifle (Hover) Fetlock joint (hover), JOINT BLOCKS (intra-synovial blocks) TYPES OF JOINT BLOCKS (hover) DIGITAL FLEXOR TENDON SHEATH, JOINT BLOCKS (intra-synovial blocks) TYPES OF JOINT BLOCKS (hover) MIDDLE CARPAL JOINT, Fetlock joint (hover) Pastern (hover), NERVE BLOCKS (hover) TYPES OF NERVE BLOCKS (hover) Six point block (hover), EQUINE DIAGNOSTIC LOCAL ANESTHESIA WHAT DRUGS CAN BE USED? (hover) LIDOCAINE (hover), EQUINE DIAGNOSTIC LOCAL ANESTHESIA WHY DO IT? -To desensitize specific areas within a limb for surgical procedures -to localize areas of lameness within a limb, LIDOCAINE (hover) WHY? -speed of onset action -good spreading properties -'all-round' useful anesthesic, NERVE BLOCKS (hover) TYPES OF NERVE BLOCKS (hover) Palmar/ Plantar Digital Nerve block (hover)