Karolina Lipodatenko died at her flat in Portland Street in King's Lynn on March 31 last year, having suffered from a pulmonary thromboembolism. She was just 18.
An inquest heard of a string of opportunities to identify the condition were missed in the days leading up to her death.
The court was told that on March 22 Miss Lipodatenko attended the emergency department of the Queen Elizabeth Hospital complaining of a shortness of breath and pain in her calf.
Medics suspected her condition may have been caused by either deep vein thrombosis or a pulmonary embolism - whereby a clot blocks the arteries to the lung - although a chest infection was also not ruled out.
She was scheduled for a CT pulmonary angiogram, a type of scan that identifies pulmonary embolism.
However, this scan involved dye being put into her bloodstream via a cannula, which Miss Lipodatenko found painful and aborted the procedure.
She then told consultants she did not wish to undergo the scan and wanted to go home.
Giving evidence to the court, Shyan Seshadri, a consultant who spoke to Miss Lipodatenko, admitted that he........