I recently put a new thread out regarding that my heart was racing a little more during the dayand it was concerning me , I wasnt sure whether it was the Amitryptilline or- the upped dose of cit that I only took for 6 days but reduced it again as feeling really bad with it so.. I went to the docs today . I now have to have an ECG and a fasting group blood test to see what it is . It never rains........