D. S. O'Dwyer

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BACKGROUND AND PURPOSE To determine the extent of inter-observer variation in delineation of the heart and left anterior descending coronary artery (LADCA) and its impact on estimated doses. METHODS AND MATERIALS Nine observers from five centres delineated the heart and LADCA on fifteen patients receiving left breast radiotherapy. The delineations were(More)
BACKGROUND We present two cases of pneumomediastinum in patients who presented to the accident and emergency department of a large teaching hospital. One case had a history of inhalational drug abuse, which may have contributed to the event, while the other had no obvious precipitating factors. AIMS To evaluate the presenting symptoms, physical signs,(More)
BACKGROUND Oral anticoagulants present multiple practical problems for patients undergoing chemotherapy. To assess the practice implications of anticoagulation therapy, a review was carried out. METHODS A review of all patients with cancer treated with warfarin for venous thromboembolism (VTE) over a 1-year-period was carried out. Adverse events and(More)
6088 Background: Recent evidence has suggested improved efficacy with low molecular weight heparin (LMWH) over oral coumarins for the treatment of cancer patients with VTE. Oral anticoagulants present multiple practical problems for patients undergoing chemotherapy, including side-effects, disruption of anticoagulation for invasive procedures, multiple drug(More)
BACKGROUND We present a case of dapsone induced methaemoglobinaemia that occurred in a patient who presented to the Emergency Department of a University Hospital. It is an uncommon condition that requires specific and urgent treatment in severe cases. AIMS To describe and evaluate the presenting symptoms, signs, diagnosis and management of acquired(More)
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