Emergency medicine journal : EMJ
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Observational Study
Near-infrared spectroscopy monitoring during out-of-hospital cardiac arrest: can the initial cerebral tissue oxygenation index predict ROSC?
Near-infrared spectroscopy is a modality that can monitor tissue oxygenation index (TOI) and has potential to evaluate return of spontaneous circulation (ROSC) during cardiopulmonary resuscitation (CPR). This study's objectives were to evaluate whether TOI could be associated with ROSC and used to help guide the decision to either terminate CPR or proceed to extracorporeal CPR (ECPR). ⋯ This study demonstrated an association between higher initial TOI and ROSC. Initial TOI could increase the accuracy of ROSC prognosis and may be a clinical factor in the decision to terminate CPR and select patients who are to proceed to ECPR.
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A short cut review was carried out to establish whether diagnostic ultrasound can accurately diagnose integrity of the lateral ligament complex in comparison to MRI. Two studies were directly relevant to the question using the described search methodology. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these papers are tabulated. Despite the utility of ultrasound there is no certainty of its advantage over MRI for injuries of the anterior talofibular ligament.
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A 56-year-old man without known medical history was brought to our ED after he was found next to his bed, agitated and with waxing and waning consciousness. He has been bedbound for 5 days after a long-standing period of malnutrition. Physical examination reveals Kussmaul breathing, heart rate of 62/min and blood pressure of 135/100 mm Hg, normal cardiac, abdominal and a non-focal neurological examination other than confusion and altered level of consciousness. An EKG was performed (figure 1).emermed;36/1/51/F1F1F1Figure 1EKG at presentation in our ED. ⋯ What abnormalities are the clues to the severity of his condition? How would you confirm your suspicion?The minimally prolonged QTc time.The subtle horizontal ST segment elevation in V2 and V3.The subtle positive deflection at the J point.Nothing, this EKG is not interpretable because of the movement of baseline.