Please provide detailed medical history. Do you have a very fast heart rate with pvc? If not done, get
thyroid profile, cardiac echo done and share results.
Pvcs can benign and harmless, hence no need to panic . It can be due to anxiety as well, hence relax adequately, physically as well as mentally.
Avoid excess of tea, coffee, alcohol. Avoid heavy physical exercise.
Take small frequent meals at regular times. Avoid eating late in the evening.