Question: I'd like to learn more about supraventricular tachycardia. I've been told a couple of different views on this and it's very unsettling. My condition scares me at times. On several occasions, ...

Bigeminy is an irregular heart rhythm where every normal beat is followed by an abnormal one. You should see a doctor if bigeminy causes dizziness, chest pain, or trouble breathing. Bigeminy can be ...