Shortness of Breath While Walking or Lying Down: A Warning Sign of a Heart Problem?

Does a two-minute brisk walk leave you unusually tired or breathless? Do you struggle to keep pace while taking bigger steps or climbing a few stairs? When shortness of breath occurs during routine activity or worsens while lying down, it is often an early sign of an underlying heart problem rather than simple fatigue or ageing. ¹

Shortness of breath is one of the most common presenting symptoms of heart conditions and heart failure. When this symptom begins with minimal exertion or interferes with sleep, it warrants prompt medical evaluation. ¹,²