Making decisions when a patient lacks capacity

Background

Mr Hartley is 75 years old. He was diagnosed with Alzheimer's nearly a year ago. His condition has started to deteriorate.

He comes to see Dr Singh, with his daughter, as he has been suffering stomach pain for several weeks which has recently worsened.   

Dr Singh needs to send Mr Hartley for further investigation but Mr Hartley insists that does not want to go. Dr Singh has to decide how to proceed.  

Scenario 

Interactive scenario where you can decide what action the doctor should take.