Complex sentence: The effects of the drug wear off and English seemingly dies of heart-failure, the paramedic try to save english with CPR, but it failed, before being revived by Kate, who kisses him on the lips, making his heart rate boost.
Split into simpler sentences: The effects of the drug wear off and English seemingly dies of heart-failure. The paramedics try to save English with CPR, but it failed; he is revived by Kate, who kisses him on the lips, making his heart rate boost.