Annals of emergency medicine
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Recent studies have proposed the use of D-dimer as a screening tool to "rule out" acute aortic dissection, claiming a sensitivity approaching 100%. We reviewed the literature to determine whether D-dimer can be used as the sole screening tool for acute aortic dissection. An Ovid MEDLINE search, 1966 to present, was performed with the key words "aortic dissection," "fibrin degradation products," and "D-dimer," limited to "human" and "English language." Ten original research articles were identified that directly addressed the use of D-dimer in acute aortic dissection. ⋯ However, 38% of dissections are missed on initial evaluation, and there are no validated clinical decision rules for the clinical diagnosis of acute aortic dissection. Clinical suspicion and chest radiograph findings were the only tools for determining which patients require further imaging until recent studies proposed the use of D-dimer as a screening tool for acute aortic dissection, claiming a sensitivity approaching 100%. Our goal was to evaluate the current literature for the use of D-dimer as the sole screening tool for acute aortic dissection.
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Randomized Controlled Trial
A prospective, randomized trial of an emergency department observation unit for acute onset atrial fibrillation.
An emergency department (ED) observation unit protocol for the management of acute onset atrial fibrillation is compared with routine hospital admission and management. ⋯ An ED observation unit protocol that includes electrical cardioversion is a feasible alternative to routine hospital admission for acute onset of atrial fibrillation and results in a shorter initial length of stay.
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Randomized Controlled Trial
Abdominal compression effectively increases the size of the common femoral vein, as measured by ultrasonography.
We determine the effect of abdominal compression on common femoral vein cross-sectional area. The effects of Valsalva maneuver and reverse Trendelenburg's position are also studied. ⋯ Abdominal compression increases the cross-sectional area of the common femoral vein, and the reverse Trendelenburg's position has a further additive effect. Abdominal compression may be useful when femoral venous cannulation is attempted. In patients who can comply, the Valsalva maneuver may be even more effective.
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Patients with intraoral and oral-cutaneous wounds commonly present to emergency departments (EDs), usually after sustaining blunt facial trauma. Many of these wounds are minor, small (<1 cm), hemostatic on presentation, and confined to the oral mucosa, requiring no specific intervention. ⋯ However, studies have shown that other wounds commonly considered to be at significant risk for secondary infection, such as simple lacerations of the hand, do not appear to conclusively benefit from prophylactic antibiotic therapy when careful wound preparation is performed before primary repair. We therefore reviewed the available literature to determine the strength of evidence supporting the use of prophylactic oral antibiotics for intraoral wounds treated and repaired in the ED.
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This clinical policy from the American College of Emergency Physicians is an update of a 2002 clinical policy on the evaluation and management of adult patients presenting to the emergency department (ED) with acute, nontraumatic headache. A writing subcommittee reviewed the literature to derive evidence-based recommendations to help clinicians answer the following 5 critical questions: (1) Does a response to therapy predict the etiology of an acute headache? (2) Which patients with headache require neuroimaging in the ED? (3) Does lumbar puncture need to be routinely performed on ED patients being worked up for nontraumatic subarachnoid hemorrhage whose noncontrast brain computed tomography (CT) scans are interpreted as normal? (4) In which adult patients with a complaint of headache can a lumbar puncture be safely performed without a neuroimaging study? (5) Is there a need for further emergent diagnostic imaging in the patient with sudden-onset, severe headache who has negative findings in both CT and lumbar puncture? Evidence was graded and recommendations were given based on the strength of the available data in the medical literature.