The prevalence of undiagnosed fainting (syncope) varies, but studies suggest that a significant proportion of syncope cases, particularly those considered "mild" or "simple," may go undiagnosed. Research indicates that approximately 30% to 50% of individuals who experience syncopal episodes do not receive a definitive diagnosis. The reasons for this include:
1. **Lack of Awareness**: Patients may not seek medical attention for fainting episodes,