Completar frases Cardiovascular Versión en línea Conversation por technomeso techno 1 exertion swelling palpitations attacks shortness A 60 - year - old woman attended her GP's surgery complaining of breathlessness on . This has been increasing over the previous eight months , until it was producing problems around 500 meters walking on the level . There was no history of chest pain . She had had several of fast which lasted 20 - 30 minutes and were associated with some of breath . She had noticed some of her ankles by the end of the day . This disappeared overnight .