- ectopic rhythm
- a heart rhythm initiated by a focus outside the sinoatrial node.
Medical dictionary. 2011.
Medical dictionary. 2011.
rhythm — 1. Measured time or motion; the regular alternation of two or more different or opposite states. 2. SYN: r. method. 3. Regular or irregular occurrence of an electrical event in the electrocardiogram or electroencephalogram. SEE ALSO: wave. 4.… … Medical dictionary
accelerated atrioventricular (AV) junctional rhythm — a cardiac rhythm in which increased rhythmicity of the atrioventricular junction causes it to initiate a series of ectopic impulses, usually occurring at a rate of 70 to 130 beats per minute … Medical dictionary
endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… … Universalium
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drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
Supraventricular tachycardia — Classification and external resources Lead II electrocardiogram strip showing SVT with a heart rate of about 150. ICD 10 I … Wikipedia
Cardiac arrhythmia — Dysrhythmia redirects here. For the American band, see Dysrhythmia (band). ICDO = OMIM = MedlinePlus = 001101 eMedicineSubj = eMedicineTopic = MeshID = D001145 Cardiac arrhythmia (also dysrhythmia) is a term for any of a large and heterogeneous… … Wikipedia
Ventricular tachycardia — Classification and external resources ICD 10 I … Wikipedia
Premature ventricular contraction — Classification and external resources A premature ventricular contraction marked by the arrow. ICD 10 I … Wikipedia