1. In the treatment of a stroke, does low-molecular-weight heparin (LMWH) have an advantage over…

1. In the treatment of a stroke, does low-molecular-weight heparin (LMWH) have an advantage over heparin? 2. In an ischaemic stroke in evolution, for how long should heparin be administered? 3. Can streptokinase be used in acute cerebral infarction and, if so, what is the dose? 4. There seems now to be a consensus about starting aspirin therapy in acute ischaemic strokes as early as possible. Why has this changed from past recommendations to avoid aspirin early (during the first 48 hours) during the ischaemic stroke on the pretext that it could convert an ischaemic infarct into a haemorrhagic one, thus increasing the dangers of complications like cerebral oedema and raised intracranial pressure? If both opinions are based on clinical trials, what is the significance of the much hyped ‘evidence-based medicine’?

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