European journal of emergency medicine : official journal of the European Society for Emergency Medicine
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Motor evoked potentials after magnetic transcranial stimulation and the excitability of the motor cortex to increasing magnetic stimulus intensities were evaluated in six patients with hemiparesis after ischaemic stroke within 8 hours after stroke. The latencies of motor evoked potentials were normal in all patients. ⋯ This finding was associated with a poor motor recovery and the NIH score after 15 days was unchanged (NIH score 1.75 (SD 1.5)). The present data suggest that the evaluation of the excitability of motor cortex may offer a mean of predicting functional outcome following stroke.
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A 55-year-old man developed acute respiratory failure, pulmonary hypertension and left heart failure due to acute myocardial infarction. Nitric oxide (NO) inhalation improved arterial oxygenation, decreased pulmonary arterial pressure and increased cardiac output (CO), but combined use of dobutamine with NO produced increases in pulmonary arterial pressure and pulmonary capillary wedge pressure (PCWP). In this patient, amrinone decreased pulmonary arterial pressure and PCWP, and increased PaO2/FiO2 effectively while increasing CO. Combined use of inhaled NO and intravenous amrinone may have beneficial effects for a patient with acute respiratory and cardiac failure.
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The medical aspects of disaster management, also referred to as disaster medicine, is a relatively new medical specialty, the roots of which are to be found in war surgery and traumatology. The main content of disaster medicine is based on empiricism. ⋯ This modelling of medical disaster management is important not only in the preparedness phase, but also during the disaster itself and its evaluation. This may in turn result in a decrease in mortality, morbidity and disability amongst disaster casualties.
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Intravenous urography (IVU) is a useful radiographic study in the detection of renal and ureteral calculi. However, it is time consuming, expensive, and exposes the patient to i.v. contrast and radiation. To determine the impact of utilizing IVU less for the detection of renal calculi, criteria for ordering IVU in the emergency department (ED) were evaluated, and patients with high probability of positive IVU were identified. ⋯ The combined objective findings of acute flank pain and haematuria are sensitive, and prior history is specific in identifying patients with renal calculi. Degree of haematuria was not useful in predicting renal calculi. By utilizing the criteria of acute flank pain and haematuria as a decision aid, 66% of all IVUs ordered could have been avoided.