Complex sentence: Dextrocardia refers to the heart been situated on the right side of the body, Dextra Cardia Situs Inversus refers to the heart been a mirror image situated on the right side.
Split into simpler sentences: Dextrocardia refers to the heart being situated on the right side of the body. Dextrocardia Situs Inversus refers to the heart being a mirror image situated on the right side.