Anticoagulation

A 79-year-old woman is admitted with ongoing lower gastrointestinal bleeding and a haemoglobin concentration of 72 g/L (reference range 115–155). She is receivi…

A 68-year-old man with metastatic oesophageal cancer develops a symptomatic proximal deep vein thrombosis. He completed treatment for melaena from the tumour tw…

A 71-year-old man receiving an unfractionated heparin infusion for a recent pulmonary embolus develops recurrent haematemesis and hypotension. The infusion is s…

A 70-year-old woman is recovering from a small ischaemic stroke and is found to have persistent atrial fibrillation. She has normal renal function and no eviden…

A 66-year-old man with metastatic gastric adenocarcinoma develops a symptomatic proximal deep vein thrombosis. He has a friable gastric lesion with recent occul…

A 76-year-old woman taking warfarin for atrial fibrillation attends for a routine INR check, which returns at 11.0 (target 2.0–3.0). She recently completed a co…

A 31-year-old woman at 10 weeks of pregnancy develops unilateral calf swelling and pleuritic discomfort. Ultrasound confirms a proximal femoral deep-vein thromb…