Case Presentation An 84-year-old woman was brought to the hospital in August 2025 following a fall, head injury, and transient loss of consciousness. She slipped while attempting to hold her walking frame, striking the right side of her head. Paramedics found her conscious with a Glasgow Coma Score (GCS) of 15/15 and transported her to the emergency department. Presenting Complaints The patient reported a one-week history of abnormal involuntary movements affecting her right forearm and hand. These movements were insidious in onset, present during voluntary actions, and absent at rest.
Past Medical History Type 2 diabetes mellitus, diagnosed nine years earlier, treated with insulin with suboptimal glycaemic control. Atrial fibrillation, managed with apixaban. Suspected primary pancreatic malignancy, for which she was on best supportive care due to age and frailty. Previous giant cell…
