In atrial fibrillation, the electrical impulse of the heart is not regular. 1  Parts of the heart cannot contract in an organized pattern. 2  As a result, the heart cannot pump enough blood to meet the body's needs.
Synonyms, crossword answers and other related words for IN A NUTSHELL. summed up briefly; gave the facts in a nutshell; just tell me the story in a nutshell; explained the situation in a nutshell.
âbrigâ: synonyms and related words: 1  approved school. 2  boot camp. 3  borstal. 4  clink. 5  concentration camp. 6  condemned cell. 7  HMP. 8  house of correction. 9  jail. 10  jailer. 11  jug. 12  labour camp. 13  matron. 14  protective custody. 15  remand centre. 16  screw. 17  seclusion room. 18  slop. 19  slop out. 20  straitjacket.