Hi determined,
I am going through exactly the same at the moment, was told everything was ok and at Gatwick and then recieved a letter telling me I had Left Axis deviation and ectopic beats. After much expense, and 5 weeks after my medical, the CAA say they have approved my certificate but am still waiting for it to come through!
The lack of any real explanation throughout has added to my anxiety and I shant rest until that piece of paper is in my hands! You have my utmost sympathy - this has been a 5 weeks in total limbo,
Best of luck in your subsequent flying career,
FOM!