Respected user, hi I evaluated your query thoroughly . @ As per the narration certain details are lacking as - type of vibration , frequency, intensity , duration , exact location in right chest , associated noticing anything abnormal around heart region, breathing pattern & not told whether you are also feeling same or only your wife , may be her hand is vibrating in some stress & you get the penalty ! @ With this information , I will regard this as possible muscular twitching may be due to heavy work out or else reason , giving light vibration feeling @ Recommendations for you at present - avoid heavy work out for 2-3 days - maintain your hydration - keep BP , blood sugar under control - avoid stress / anxiety - have regular sound sleep of 6-7 hours - avoid weight lifting as well - consult later doctor if persist after 24 hours ( may require soft tissue sonography or EMG NCV study for the same ) Hope this clears your query . Welcome for any further assistance . Thanks for using Healthcaremagic.com & giving us an opportunity to assist Wishing you a very happy healthy life ahead . Regards dear take care .