N. Ahmed

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The problem of finding collision-free placements for an object amid obstacles has two well-known solutions: the task space approach and the configuration space approach. In this correspondence, we study the mathematical structure of the placement problem, and show that Minkowski decomposition of the object produces a hierarchy of intermediate(More)
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AIMS Limited data exist on outcomes in very elderly ICD recipients. We describe outcomes in new ICD and Cardiac Resynchronisation Therapy with Defibrillator (CRT-D) implants in octogenarians at our institution. METHODS Patients aged 80 years and above who underwent de novo ICD or CRT-D implantation from January 2006 to July 2012 were identified. Clinical(More)
Background: Allergic rhinitis is a prevalent condition in the community and impairs quality of life. Treatment often requires combination of different topical treatment. We wanted to assess the effect of combination steroid and antihistamine nasal spray in patients who have failed primary therapy. Secondary aims were to analyse the multi-domain impact of(More)