An elderly patient with a history of anticoagulant use presents after a fall at home that day. she denies any loss of consciousness. she has a hematoma to her forehead and complains of headache, dizziness, and nausea. what is the most likely cause of her symptoms?an elderly patient with a history of anticoagulant use presents after a fall at home that day. she denies any loss of consciousness. she has a hematoma to her forehead and complains of headache, dizziness, and nausea. what is the most likely cause of her symptoms?