The first step you should take in the given situation is to call 911, so that emergency medical services (EMS) personnel will be informed.
There are some basic steps in providing first aid and they include the following;
For the given scenario, after assessing the situation, you will definitely notice that the situation is a critical one. The first step to take as untrained professional is to get help before approaching the scene.
You can help by calling 911 so that emergency medical services (EMS) personnel will be informed, after which you keep the person safe before the emergency team arrives.
Thus, we can conclude that the first step in the given situation is to call 911.
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