A 76-year-old woman on warfarin for atrial fibrillation presents with sudden headache and left-sided weakness. CT brain shows intracerebral haemorrhage. INR is 4.2. What is the most appropriate immediate management of her anticoagulation?AContinue warfarin and observeBStop warfarin and give vitamin K aloneCStop warfarin and urgently give prothrombin complex concentrate (PCC) plus vitamin KDSwitch from warfarin to low molecular weight heparinEDo nothing; reversal increases thrombotic riskCheck my answer