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.
Bradycardia is an abnormal heart rhythm condition. It happens when the heart beats at an unusually slow rate. It can be triggered by a number of health conditions, from hypothyroidism to hypothermia. A normal heart rate is considered to be between 60 and 100 beats a minute (BPM).