atrial arrhythmia
1atrial fibrillation — n very rapid uncoordinated contractions of the atria of the heart resulting in a lack of synchronism between heartbeat and pulse beat called also auricular fibrillation * * * see fibrillation * * * (AF) (AFib) an arrhythmia in which minute areas… …
2Atrial fibrillation — | MeshID = D001281 Atrial fibrillation (AF or afib) is a cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart. It can often be identified by taking a pulse and observing that the heartbeats don t… …
3atrial fibrillation — Irregular rhythm (arrhythmia) of contraction of the atria (upper heart chambers). The most common major arrhythmia, it may result as a consequence of increased fibrous tissue in the aging heart, of heart disease, or in association with severe… …
4arrhythmia — arrhythmic /euh ridh mik, ay ridh /, arrhythmical, adj. arrhythmically, adv. /euh ridh mee euh, ay ridh /, n. Pathol. any disturbance in the rhythm of the heartbeat. Also, arhythmia. [1885 90; < NL < Gk arrhythmía. See A 6, RHYTHM, IA] * * *… …
5Arrhythmia absoluta — Vorhofflimmern ist eine vorübergehende (paroxysmale oder intermittierende) oder dauerhafte (permanente) Herzrhythmusstörung mit ungeordneter Tätigkeit der Herzvorhöfe. Gebräuchliche Abkürzungen sind AF oder AFib (von englisch Atrial fibrillation) …
6Arrhythmia — An abnormal heart rhythm. In an arrhythmia the heartbeats may be too slow, too rapid, too irregular, or too early. Rapid arrhythmias (greater than 100 beats per minute) are called tachycardias. Slow arrhythmias (slower than 60 beats per minute)… …
7Atrial flutter — Well organized but overly rapid contractions of the atrium of the heart (usually at a rate of 250 350 contractions per minute). Flutter refers to a rapid vibration or pulsation. The difference between flutter and fibrillation is that flutter is… …
8atrial bigeminy — an arrhythmia consisting of the repetitive sequence of one atrial premature complex followed by one normal sinus impulse. Atrial bigeminy; each sinus beat is followed by an atrial premature complex …
9arrhythmia — noun an abnormal rate of muscle contractions in the heart • Syn: ↑cardiac arrhythmia • Derivationally related forms: ↑arrhythmic • Hypernyms: ↑heart disease, ↑cardiopathy • Hyponyms …
10atrial fibrillation — noun fibrillation of the muscles of the atria of the heart • Hypernyms: ↑fibrillation, ↑cardiac arrhythmia, ↑arrhythmia * * * noun : auricular fibrillation …
