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.
A normal pulse rate after a period of rest is between 60 and 80 beats per minute (bpm). It is faster in children. However, if tachycardia is defined as a pulse rate in excess of 100 bpm and bradycardia is less than 60 bpm then between 60 and 100 bpm must be seen as normal.