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.
Td (tetanus and diphtheria) is also a vaccine used as a booster vaccination in adolescents and adults, however, it does not contain the pertussis vaccine. DTaP should be given at two, four, six, 15 to 18 months of age, and between four and six years of age. The preferred age for Tdap vaccination is 11 to 12 years.