Sounds like you suffer from 'white coat' hypertension where the sight of a medic sets the heart racing.
Blood pressure is such an important health indicator, you would do well to buy your own monitor and start measuring at home.
If you are a veggie, have a look at www.ph-ion.com for the book 'The pH miracle' by Dr. Robert Young and pH test strips, this is a heavy duty veg and salads program that takes you away from carbohydrates and the grief this can cause.