European journal of emergency medicine : official journal of the European Society for Emergency Medicine
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Cardiac contusion following blunt chest trauma is not rare, and the works in the literature report incidence rates between 5 and 50%. Traffic accidents are the most frequent cause of cardiac contusion followed by violent fall impacts, aggressions and the practice of risky sports. The spectrum of post-traumatic cardiac lesions varies greatly, ranging from no symptoms to decrease in cardiac function. ⋯ We review our experience of cardiac contusion after blunt chest trauma, and we describe two very severe cases that manifested as cardiogenic shock. We emphasize an early diagnosis by continuous electrocardiographic monitoring, serial electrocardiograms, echocardiography, serum determination of biochemical cardiac markers, radionuclide imaging and coronary angiography. The treatment includes continuous monitoring of cardiac rhythm, use of inotropic drugs, insertion of a catheter in the pulmonary artery for continuous assessment of cardiac output and, in extreme cases, the insertion of a contrapulsation balloon to maintain haemodynamics until improvement of cardiac function.
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Review
Prehospital evaluation and treatment of a presumed acute coronary syndrome: what are the options?
The earlier infarct-limiting therapy is started the better is the outcome among patients suffering from a threatened myocardial infarction. The introduction of a prehospital electrocardiogram has improved triage of patients with acute chest pain. ⋯ Other treatments of potential value in the prehospital setting are oxygen, narcotic analgesics, nitrates, aspirin, heparin, low molecular weight heparin, glycoprotein IIB, IIIA blockers, clopidogrel and beta-blockers. We need further studies, however, for most of these treatments including cost-benefit analysis, analysis of various logistic aspects and safety in order to confirm their value.
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Review Case Reports
Acute compartment syndrome secondary to diabetic muscle infarction: case report and literature review.
Acute compartment syndrome has a multitude of aetiologies. Unfortunately, the diagnosis is often delayed, resulting in permanent functional loss. Although spontaneous muscle infarction is an uncommon, yet well-recognized complication of diabetes mellitus, subsequent development of compartment syndrome appears to be rare, with only five case reports identified in the literature. ⋯ We report a case of a diabetic gentleman who presented with lower limb pain significantly out of proportion to any obvious injury and had a subsequent diagnosis of acute compartment syndrome. Despite fasciotomies, he had a persistent foot drop. Nontraumatic acute compartment syndrome secondary to diabetic muscle infarction should be considered in any diabetic patient presenting with pain out of proportion to sustained injury.
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As access to computed tomography scanning has become easier, patients with a lower probability of serious pathology are being scanned. We asked how many lumbar punctures need to be performed to detect each subarachnoid haemorrhage in these lower-risk patients. ⋯ In patients who have a low pre-computed tomography probability of subarachnoid haemorrhage and undergo an early computed tomography scan, the risk/benefit ratio of lumbar puncture is unclear. A decision rule (risk stratification system) might improve our ability to help the patient make an informed choice.
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Field trauma triage systems currently used by emergency responders at mass casualty incidents and disasters do not adequately account for the possibility of contamination of patients with chemical, biological, radiological, or nuclear material. Following a discussion of background issues regarding mass casualty triage schemes, this paper proposes chemical, biological, radiological, or nuclear-compatible trauma triage algorithms, based on a review of the literature and the input of recognized content experts. ⋯ This template is then modified for use in chemical, biological, and radiation/nuclear situations in which the exposed or contaminated victims have also sustained conventional trauma. The proposed algorithms will need further refinement and testing.