Without the ability to obtain a history
from you and examine you, I cannot comment on a formal diagnosis or treatment
plan for your symptoms. However, I will try to provide you with some information regarding this matter.
Your boyfriend's clinical history is suggestive of syncope (passing out). There are many different reasons for syncope.
Differentials include, Transient Ischemic attacks (TIA), which is a warning sign of a stroke, a stroke itself, or cardiac arrhythmias.