– See: – Phalangeal Injury – Menu – Thumb Defects: – Moberg Flap – Nail Bed Injuries: – if injury damages the distal phalanx, particularly when the damage extends into germinal matrix, the nail will probably be irregular and … Read more
– See: EMG Menu: – Discussions: – fibrillations are action potentials that arise spontaneously from single muscle fibers; – these usually occur rhythmically and are though to be due oscillations of the resting membrane potential in denervated muscles; – are typically biphasic or triphasic waveforms that are distinguished from … Read more
– Anatomy: – arises from posterior divisions of Ventral Rami of L2, L3, L4 – see innerv. musc. lower limb; – passes inferolaterally thru psoas, & then runs between this muscle & iliacus; – it passes over Iliacus muscle to enter thigh underneath the inguinal ligament; … Read more
– See: – Anastomoses of Lower Limb Arteries – Femoral Arteriogram: – Lower Limb: anatomy of arteries and bones with 3D pictures and angiographic radiological images – Anatomy: – common iliac bifurcates at the L5-S1 disc; – internal iliac: – courses anterior and adjacent to … Read more
– Anesthesia: – skeletal traction can be applied under sedation & local anesthesia; – Distal Femoral Pins: – inserted on medial side to avoid injury to femoral artery on pin exist; – flex the knee and thigh on several folded sheets inorder to facilitate pin insertion from the … Read more
– See: – Compartment Syndrome Menu – Compartment Syndromes resulting from Tibial Fractures – Anterior Compartment – Lateral Compartment – Deep Posterior Compartment – Superfical Posterior – Anterolateral Incision: (Two Incision Technique) – anterior & … Read more
– See: Phalangeal Injury – Mechanism: – results from forceful hyperextension of DIP joint w/ FDP in maximal contraction; – classic examples include pts injured by the sudden jerk of a rope, such as starting a lawnmower or retraining an animal; – tendon may rupture directly from its insertion into bone, or it … Read more
– Discussion: – recurrent rotator cuff tear: – ref: Mode of failure for rotator cuff repair with suture anchors identified at revision surgery – deltoid injury: – may occur from axillary nerve palsy or from avulsion of deltoid off the acromion; – consider … Read more
– Factors Related to Extremity Injury: – duration of use; – it is thought that muscles are more sensitive than nerves to duration of tourniquet use; – use of tourniquet for > 2 hours & pressures of > 350 mm of mercury in … Read more
– Metacarpal Incision: – always performed first, to ensure proper length of fixator; – make longitudinal incision from base of 2nd metacarpal to its midshaft; – terminal branches of radial sensory nerve can be identified & carefully retracted; – dissect down to bone, and insert … Read more