Wrist

Landmarks for wrist arthrocentesis are palpable with the wrist in a neutral position. Noted landmarks are the radial tubercle of the distal radius, the anatomic snuff-box, the extensor pollicis longus tendon, and the common extensor tendon of the index finger ( Fig 2.78:3). The needle should be inserted perpendicular to the skin slightly ulnar to the radial tubercle and the anatomic snuff-box between the extensor pollicis longus and the common extensor tendons.

Wrist Arthrocentesis

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FIG. 278-3. Arthrocentesis of the wrist.

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FIG. 278-3. Arthrocentesis of the wrist.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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