A flat is an apartment or small home that does not have any stairs. It is flat, that is, all on one level.     Flet     From the Scottish word flet, meaniâ¦ng the inner part of a house.
Bradycardia in an adult is any heart rate less than 60 beats per minute (BPM), although symptoms usually manifest only for heart rates less than 50. The word bradycardia is from the Greek Î²ÏÎ±Î´ÏÏ, bradys slow, and ÎºÎ±ÏÎ´Î¯Î±, kardia, heart.
When to see a doctor. A number of conditions can cause signs and symptoms of bradycardia. It's important to get a prompt, accurate diagnosis and appropriate care. See your doctor if you or your child experiences any symptoms of bradycardia. If you faint, have difficulty breathing or have chest pain lasting more than a few minutes, get emergency care or call 911 or your local emergency number.