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 (/ËbraedÉªËkÉrdiÉ/; ËbrÃ¦dÉªËkÉrdiÉ from The greek, Î²ÏÎ±Î´ÏÏ bradys, slow and, ÎºÎ±ÏÎ´Î¯Î±, kardia), heart in the context of adult, medicine is the resting heart rate of under 60 beats per (MINUTE), bpm although it is seldom symptomatic until the rate drops below 50. bpmhe most common causes of decreased heart rate are sinus bradycardia, heart failure, and high blood pressure. Other possible causes, such as heart block, are more rare. Sinus bradycardia 37 Heart failure 10 High blood pressure 9 Atrial fibrillation 5 Pneumonia 4 Urinary tract infection 3 Hyperkalemia 3 Heart block 3.