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.
Slow and Fast Heart Rates. A child's pulse rate can be normal, fast (tachycardia), or slow (bradycardia). In some forms of tachycardia, like supraventricular tachycardia (SVT), the heart rate might get over 220 beats/min. Or a child with bradycardia might have a heart rate less than 50 beats/min.