The American journal of emergency medicine
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Review Case Reports
Orthopedic pitfalls in the ED: lunate and perilunate injuries.
Occult dislocations at and around the lunate can accompany wrist trauma. When left unrecognized and untreated, these injuries lead to a high incidence of long-term functional disability and chronic pain. Emergency medicine practitioners need to be vigilant for both lunate and perilunate dislocations. This review article examines the clinical presentation, diagnostic techniques, and management options applicable to the emergency practitioner.
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Pulse oximetry and capnography are widely used in clinical practice. They provide quick and noninvasive methods to estimate arterial oxygen saturation and carbon dioxide tension in different situations including emergency departments, intensive care units, and during procedures. This article reviews the principles of surgery, accuracy, limitations, and clinical applications of these instruments.