The dog, a 2-year-old golden retriever named Toby, performed a modified Heimlich maneuver on his owner, Debbie Parkhurst of North East, Md., when she choked on a piece of apple. Toby pushed her to the floor and jumped up and down on Ms. Parkhurstâ€[emoji]8482[/emoji]s chest until he dislodged the piece of apple.