Data Trace Editor (See posterior tibial artery) Anatomy anterior tibial artery passes from behind through gap above interosseous membrane to enter anterior compartment of leg and supply its muscles; as it crosses membrane, it gives off a recurrent branch; ref: The risk of injury to anterior tibial artery in posterolateral approach to the tibia plateau: A cadaver study. it continues on dorsum … Read more
– Discussion: – anterior wall frx involve central portion of anterior column & involves iliopectineal line is involved; – associated injury: anterior hip dislocation; – Technique of Fixation: – anterior wall fractures are approached thru Ilioinguinal Approach w/ supine positioning; – traction removes femoral head from the … Read more
– Discussion: – ON THE ARTICULATIONS. by Hippocrates. – pathoanatomy: – bankart lesion – hill sachs lesion – stabilizers of the shoulder: – dynamic / muscular stabilizers – static stabilizers – anteroinferior glenohumeral ligament – references: – Pathoanatomy of first-time, traumatic, anterior glenohumeral subluxation events. – mechanism of anterior dislocations: – combination of abduction, … Read more
– Discussion: – strong and well-defined, arise from antero-inferior surface of medial epicondyle and inserts at the sublimis tubercle, adjacent to the joint surface; – primary constraint to valgus instability; – in flexion, MCL provides 54% of valgus stability; … Read more
– Two Hole Implants: – two hole plate, usually a 4.5 mm, is fixed to the superior surface of the symphysis with two 6.5 mm cancellous screws immediately adjacent to the symphysis pubis; – screws are inserted on the anterosuperior surface of the pubis on either side of the symphysis … Read more
– Discussion: – anterior injury may be through symphysis or thru pubic rami unilaterally or bilaterally; – symphysis disruption may also occur with pubic rami fractures; – posterior injury: degree of SI joint disruption depends on the energy sustained during the trauma; … Read more
– See: Anterior Plate Fixation Methods – Indications: – open book pelvis injury w/ greater than a 2.5 cm pubic diastasis; – note that fixation of pubic rami fractures can be much more complex than the fixation of a simple diastasis; – controversies: – posterior injury and need for … Read more
– See: Rt and Lft BBB – S wave: II, III, aVF; – Loss of normal Qs: I, aVL, V6 – L.A.D. -Usually associatted with MI (upto 1/2 of Ant MI get Ant HemiB) -QRS slightly widened (0.1 to 0.12 sec) -Note: always rule out pre-existing sources of Left Axis Dev.: – Left Ventricular … Read more
– See: – Arteries of the Upper Limb – Anatomy: – branch of axillary artery – smaller than PHCA; – passes laterally around front of surgical neck of the humerus – major blood supply to humeral head is from AHCA; – humeral head is … Read more
– Bony Impingement: – pts who have persistent pain in anterior aspect of ankle & who have anterior tibiotalar spur evident on a lateral roentgenogram need additional diagnostic evaluation and management; – extreme dorsiflexion required by the demiplie position in ballet can lead to impingement of anterior lip of … Read more