Article continues below advertisementPatrick Muldoon was in good spirits ahead of his untimely death at age 57.His sister, Shana Muldoon Zappa, took to Instagram on Wednesday, April 22, to reveal the final video the actor sent his family just a few hours before he suffered a heart attack.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @shanazappa/InstagramPatrick Muldoon attended an event at the Los Angeles Museum of Modern Art.