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.
1 Also fubared. 2  That project is totally fubar. 3  That project is totally fubared. 4  See more words with the same meaning: a mess. 5  See more words with the same meaning: acronyms (list of) . See more words with the same meaning: a mess. 2  See more words with the same meaning: acronyms (list of) . 3  See more words with the same meaning: bad, poor, sucks, common, generally displeasing.