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.
In this Article. If your doctor says you or a loved one has bradycardia, a resting heart beat that's less than 60 beats per minute, it's only part of the diagnosis. Your doctor will also want to figure out which type it is. She may talk to you about these kinds: sinus bradycardia, sick sinus syndrome, and heart block.