Final answer:
If you suspect a heart attack, treat for shock, get an AED, and activate EMS.
Step-by-step explanation:
If you suspect a heart attack in a person who collapses and experiences difficulty breathing, but maintains consciousness, you should take the following steps:
- Treat for shock by having the person lie down with their legs elevated and cover them with a blanket.
- Send someone to get an AED (automated external defibrillator), which is a portable device that can help in a cardiac emergency.
- Activate EMS (Emergency Medical Services) by calling for professional medical help.