Why has an otherwise healthy woman in her late 60s had repeated episodes of fainting and dizziness for the past several weeks? The woman presented to the emergency department immediately after one ...

A colleague recently asked me how I would approach an asymptomatic young patient with thousands of premature ventricular complexes (PVCs). She said, "I used to think I knew how to treat PVCs, but ...

Background A 44-year-old female presented with a long history of chest pain, palpitations and increasing dyspnea. Electrocardiography and 24 h Holter monitoring revealed multiple premature ventricular ...

A 31-year-old woman with no significant medical history presents with intermittent heart palpitations, dizziness, shortness of breath, and fatigue provoked by exercise. Can you make the diagnosis? A ...