The drug can be laced and made poorly. You never know what is put inside of it because it is not a law in the U.S. to tell your buyer what is put inside of it unless they ask. Also sellers of ecstasy usually are not selling what they tell you. Most of the time they are selling you MDMA.
Based on the aptt result, the nurse should immediately discontinue injections of Heparin to the patient. The patient is already having abnormally high aptt of 92. High aptt exceeding 70 which in the case of the patient is 92 is an indication that he is on spontaneous bleeding or hemorrhage. The nurse must immediately report the result to the attending physician for management.