All Journals from Rupert Negus
A 54 year gentleman was admitted to hospital within four hours of taking an overdose of modified release felodipine tablets, with a total dose of approximately 250 mg. The initial management comprised fluid resuscitation, calcium chloride and glucagon. He remained hypotensive and was commenced on hyperinsulinaemia-euglycaemic therapy. Hypotension persisted with the development of progressive metabolic acidosis despite increasing inotropic support, haemofiltration and high dose insulin-dextrose infusions. The patient died 60 hours post overdose. The case highlights the profound, refractory circulatory collapse and lethal consequences of significant calcium channel blocker overdose and also reviews potential management strategies to attempt to reverse these changes. Despite the lack of evidence of whole bowel irrigation in overdose per se, its role in the removal of modified release compounds has not been studied. We would strongly urge emergency departments to consider this therapeutic modality, especially in overdoses involving delayed release preparations of calcium channel blockers, which are extremely toxic in overdose and are associated with very high mortality.
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Abstract
Delirium is a common cause for acute hospital admissions. There are many potential causes for this presentation, including infection, polypharmacy and metabolic disorders. We present the case of a patient with hyponatraemia and prolonged delirium, in whom the diagnosis of non-convulsive status epilepticus (NCSE) was made following electroencephalography (EEG).
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Doctors training in Acute Internal Medicine (AIM) need to provide evidence that they can effectively manage 20 ‘top’ and 40 ‘other important’ acute medical presentations. However, the presentations considered important in the AIM curriculum do not have an empirical evidence base. This study compared real-life presentations against those in the AIM curriculum. Data on all presentations to the acute medical service at The Royal Free Hospital, London, were collected retrospectively for five non-consecutive weeks and prospectively for one week. Five frequently encountered presentations viz: cough, nausea and vomiting, dizziness, hyperglycaemia and lethargy were not amongst those listed as ‘top’ or ‘other important’ in the AIM curriculum. Hence, demonstration of competency in these presentations is currently not an explicit requirement.
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Bleeding from the upper gastrointestinal (GI) tract is a common medical emergency, with an incidence of between 50-150 cases per 100,000 per year.1 A recent audit by the British Society of Gastroenterology showed the mortality rate from upper GI bleeds has fallen from 14%2 in 1993 to 10% in 2007.3 However, despite the use of proton pump inhibitors (ppis), admission rates for peptic ulcer haemorrhage have increased in older age groups,4 probably related to increased use of antiplatelet agents such as aspirin and clopidogrel and anticoagulants in acute coronary syndromes, stroke and atrial fibrillation. The rising age of the population may also have offset further reductions in mortality and morbidity that may have otherwise come about through improved supportive and endoscopic care.
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