Medical Malpractice Insurance for orthopaedic surgeons

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U wave: Discussion

See * U waves: a positive deflection after the T wave; (smaller than T waves) * Best seen w/ Bradycardia; * Axis: Anterior: (best seen V2-4, II, III, aVF); * Duration: Longer than P wave; * May indicate hypokalemia; / ___/_/ _/_/ (u wave) Original Text by Clifford R. Wheeless, III, MD.

Zero Rotation Views

– Discussion:      – used to show ulnar variance;      – technique:            – shoulder is abducted 90 deg, the elbow flexed 90 deg, and forearm is held in neutral rotation;      – AP View:             – patient places the forearm flat on … Read more

Zone 1 Flexor Injuries

– See:       – FDP Avulsion       – FDP Lacerations       – tendon pull thru technique         – Anatomy:       – in zone 1, FDP has emerged from between & beneath decussating FDS and travels to its insertion in the distal phalanx;       – zone 1 contains: A4, C3, … Read more

Zone III

– Discussion:     – extends from base of palm or distal end of transverse retinacular ligament to transverse crease in the palm;           – extends just proximal to the IP joint and to the MP joint;     – in this region tendons are essentially free of a tendon sheath … Read more

Zyvox / Linezolid

– See: Zyvox Commercial Web Site – Discussion: – for MRSA and staph epi infections; – dose: 600 mg PO bid; – in standard dosing, the plasma and tissue levels will be between 10-11 mcg/ml (about 4 mcg/ml in bone); – mao inhibitors           – linezolid is a reversible, nonselective inhibitor of monoamine oxidase; – linezolid … Read more

Zielke Instrumentation

– Discussion:     – used for rigid or mobile lumbar or thoracolumbar Scoliosis with lordosis Posterior transpedicular Zielke instrumentation of the lumbar spine. Anterior Zielke instrumentation for spinal deformity in adults.

Young Modulus

– Discussion:     – slope of “stress/strain” curve (below yield point) denotes material’s stiffness;     – steeper the curve, the stiffer material, gradient is known as modulus of elasticity or Young’s modulus;           – in the elastic range of the stress strain curve it is the slope

Zanca View (AC Joint View)

– Discussion:     – used to better visualized the acromio-clavicular joint by eliminating overlying structures; – Technique:     – AP view w/ beam is directed at the a-c joint with 10 deg cephalic tilt;     – use 1/3 to 1/2 the voltage used for the AP shoulder view (soft tissue technique)