My Father has Haert blcoakge in 3 vessels , age 84 running , Doctor adviced for take medicine Ranx 500mg, keppra 500mg, Artova 40mg, Gardenel 30 Mg, & Clopideral daily, ( Doctor advice not to operate By pass Surgery dur to age factor ) He taking medicine last from 3 years regularly, but routine chekup not made since 2 years, my father telling me the medicine is suits my body and i will not go to doctor for checkup. Now aI am very worried about this , without checking body and they taking medicine, when i am talking about for come with us for routine checkup , but father deniy and he nervse Now my question what to do for this sutuation.Please advice any change to be made in medicne.