Valve regurgitation (leakage) can range from trivial to severe. Depending on the significance of the regurg, your grandmother may, or may not require treatment.
Similar with irregular heartbeats - any idea what type of arrythmia?
Do you know what medication she is taking?
I'm sorry I can't offer any help on the lung cancer. What has her doctor said? What are the pills, and what are they for? Any idea?
no, sorry i have no clue about any more details for the heart issue but i have found out that her lung cancer is large cell lung cancer and they dont want to do surgery because of her age. any more help would be appreciated, thanks.