– See: Forefoot and Midfoot Stress Frx – Discussion: – march frx usually occurs in shaft of second or less often in the third metatarsal; – stress frx of 5th metatarsal represents a distinct fracture; – in runners stress frxs occur most often in metatarsal neck, … Read more
– See: Extra-articular Thumb Metacarpal Fractures – Discussion: – interosseous muscles & intrinsically strong carpometacarpal capsular and interosseous ligaments provide intrinsic stability to extra-articular fractures at the metacarpal bases; – mechanism of frx of little CMC: – stability of CMC joint derives from articulation w/ carpal … Read more
– Adult: 50-150mg PO/IM/SQ q3-4hr prn Pain; (75mg IM Demerol =10mg Morphine) 1-2 mg/kg/dose PO/IM/IV (including Peds q 6 hr) – PO: peak effect at 2 hrs; – IM/IV: onset at 2-5 min; Peak at 1 hr; lasts 2-3 hrs. – IV administration must be slow in diluted solution; – Peds: 1 mg/kg/dose IV/IM q2-4hr; 1.0-1.5 mg/kg/dose … Read more
– See ABG – See Diff Dx: Anion Gap / Non Anion Gap – By definition: primary decrease HCO3 concentration. – Simple Met acidosis, Stimulates Ventilation, Decreasing pCO2 – Base Deficit: – indicator of blood loss, resuscitation, and mortality in trauma patients, and it is a more sensitive marker of hypovolemia than vital signs; … Read more
Frx Treatment Methods: Casting of Tibial Fractures External Fixators Plating of Tibial … Read more
– Discussion: Zone IV: – extends from distal end of transverse retinacular ligament to proximal margin; – combined nerve – tendon procedure may be delayed for 21 days if wound is contaminated, if crushing trauma has occurred; – median nerve management: (nerve repair) – lacerations of flexor tendons within … Read more
– See: – Bicondylar Fractures and Type V Fractures: – Split Fractures: – Surgical Approach: Medial Compartment: – Type IV Fractures: – Total Depression Fracture: – X-ray: – if knee is unstable (greater > 5 deg instability), stress … Read more
– Discussion: – most common form of plica; – located over the medial femoral condyle; – vulnerable to direct trauma when the knee is flexed; – repeated trauma or irritation may lead to inflammation and fibrosis of the plica; – fibrotic plica has decreased elasticity which causes … Read more
– Anatomy: – humeral origin of MCL lies posterior to axis of elbow flexion, creating cam effect; – hence, anterior fibers are stressed in extension & posterior fibers are stressed in flexion; – anterior oblique, posterior oblique ligament, & small transverse ligament are 3 major portions of the … Read more
– See: Medial Approach: – Discussion: – medial epicondyle is common origin of several flexor muscles of hand and wrist; – when medial epicondyle is frxed, flexor muscles pull fragment distally; – during surgical procedure care must be made to protect ulnar nerve; – Fixation Stratedgy: – … Read more