Data Trace Editor – See: – pulmonary contussion: – cardiac enzymes – blunt cardiac trauma – Discussion: – defined as cardiogenic shock, arrhythmias requiring treatment, or structural cardiac abnormalities directly related to the cardiac trauma; – Commotio Cordis: – catastrophic condition (rare) that is caused by blunt … Read more
– Discussion: – angle formed by intersection of line drawn from most cephalic point on tuberosity to highest point of posterior facet w/ line from latter to most cephalic part of posterior process of calcaneus; – measures height of the posterior facet; – normal range is … Read more
– See: Bone Graft Menu – PreOp Planning: – if patient has undergone previous bone graft harvests, consider CT scan to determine amount of remaining bone left in the crest; – in the report by Ahlmann E, et al, the authors investigated whether there was less … Read more
– Discussion: (see fracture healing and management of tibial bone defects) – autograft: bone graft harvest techniques – allografts – induced membrane technique – bone marrow aspirates: – in order to maximum the concentration of osteoblast precursors, no more than 2 cc should be … Read more
– See: Scaphoid Frx Menu: – scaphoid nonunions: – Discusssion: – bone grafting may be indicated for scaphoid malunion or non union; – malunion: – indicators of scaphoid malunion: classic findings are a dorsal humpback deformity and DISI deformity; – indications for bone grafting include radiographic deformity along with pain, weakness, and loss … Read more
– See: Tibial Non Unions – Discussion: – up to 60% of high energy open tibial will fail to heal by 20 weeks, and therefore MD must decide which fractures require early bone grafting and which do not; – large tibial defects: – w/ defects less than 6 cm iliac crest bone grafting may be sufficient; … Read more
– Discussion: – main blood supply to humeral head arises from anterolateral branch of anterior humeral circumflex artery; – this vessel passes laterally to long head of biceps & forms arcuate artery; – arcuate artery: – arises from ascending branch of anterior humeral circumflex artery … Read more
– Discussion: – blood supply to skin around the knee is random (as opposed to axial) – there are multiple small overlapping vessels that are interrupted by multiple small incisions; – random supply is sustained by both intrinsic and extrinsic sources; – intrinsic contributors to … Read more
– Discussion: – see bone circulation: – blood supply to tibial shaft is dervied from nutrient artery & periosteal vessels; – nutrient artery: – arises from posterior tibial artery as it enters into the posterior tibial cortex, distal to the soleal line at the … Read more
– See: – Arteries of the Upper Limb – Vascular Anatomy of Scaphoid – Vascularity of the Lunate – Discussion: – vascular supply of wrist is obtained thru radial, ulnar, anterior interosseous arteries and the deep palmar arch; – extraosseous arterial pattern: … Read more