- ectopic tachycardia
- abnormally rapid heart action in response to impulses arising outside the sinoatrial node.
Medical dictionary. 2011.
ectopic tachycardia
Look at other dictionaries:
Tachycardia — A rapid heart rate, usually defined as greater than 100 beats per minute. The tachycardias include sinus tachycardia, paroxysmal atrial tachycardia (PAT), and ventricular tachycardia. Sinus tachycardia is due to rapid firing of a normal structure … Medical dictionary
tachycardia — n. an increase in the heart rate above normal. Sinus tachycardia may occur normally with exercise or excitement or it may be due to illness, such as fever. Arrhythmias may also produce tachycardia (ectopic tachycardia). See: ventricular… … The new mediacal dictionary
Tachycardia — ECG showing sinus tachycardia with a rate of about 100 beats per minute. ICD 10 I47 I … Wikipedia
Supraventricular tachycardia — Classification and external resources Lead II electrocardiogram strip showing SVT with a heart rate of about 150. ICD 10 I … Wikipedia
double tachycardia — the occurrence of two types of ectopic tachycardia at the same time, such as nodal and ventricular tachycardia … Medical dictionary
Ventricular tachycardia — Classification and external resources ICD 10 I … Wikipedia
Multifocal atrial tachycardia — For other uses, see MAT (disambiguation). Multifocal atrial tachycardia Classification and external resources ICD 9 427.89 eMedicine article/759135 Multifocal atrial tachycardia … Wikipedia
bidirectional ventricular tachycardia — bifascicular ventricular tachycardia ventricular tachycardia with heart rates of 90 to 160 beats per minute, alternating right and left axis deviation, ectopic focus that alternates between the anterior superior and posterior inferior fascicles,… … Medical dictionary
supraventricular tachycardia — SVT a rapid regular heart beat that is usually due to a re entry circuit between the atria and ventricles in the context of an accessory pathway (see Wolff Parkinson White syndrome). It is less commonly due to an ectopic focus in an atrium that… … The new mediacal dictionary
jet — A region of very high blood velocity just downstream of a vessel stenosis. * * * Joint Engineering Team; junctional ectopic tachycardia * * * (jet) [L. iacere to throw] 1. a stream of fluid projected at high velocity under pressure, or the device … Medical dictionary
