Yes, I am an extreme empath.
I felt pressure on my chest and a tense vibration. Not just heart area, but the entire chest.
It filled the room. I test empathy feelings by placing my flat palm of my right hand in front of my chest. First palm in to feel if it is me generating the feeling. Then palm out. With palm out it blocked me from feeling the anxiety in my chest and could feel it in my palm of hand only. When I turn toward the anxious person it gets much stronger. That’s how I know it’s external.
I do this same thing for pain anywhere in my body including feet, knees, or a headache.
Every gift has a price. Good you developed a method to differentiate between external/internal vibrations.