| ECG | Electro-Cardio-Graphy(-Gram); ½ÉÀüµµ = EKG 1. Conducting System Structu... |
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| JVP | [POMD P 49 - 52] 1) Jugular Vein Pressure 2) Jugular Venous Pulse ... |
| VA | vacuum aspiration; valproic acid; vasodilator agent; ventricular aneurysm; ventricular arrhythmia; v... |
| VEA | ventricular ectopic activity; ventricular ectopic arrhythmia; viral envelope antigen |
| RVA | re-entrant ventricular arrhythmia; right ventricle activation; right vertebral artery |
| VA | Ventricular arrhythmia |
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| CAPS | Cardiac Arrhythmia Pilot Study |
| CAST | Cardiac Arrhythmia Suppression Trial |
| RSA | Respiratory Sinus Arrhythmia |
| SVA | supraventricular arrhythmia |
| ventricular arrhythmia | <cardiology> A cardiac arrhythmia which originates from within the ventricles. Isolated ventricular contractions are referred to as premature ventricular contractions. Frequent premature ventricular contractions can be potentially unstable and can degrade to a more serious rhythm or cardiac arrest. (12 Jan 1998) |
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| ventricular arrhythmias | Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the ventricles). Ventricular arrhythmias include ventricular tachycardia and ventricular fibrillation. Both are life threatening arrhythmias most commonly associated with heart attacks or scarring of the heart muscle from previous heart attack. (12 Dec 1998) |
| anti-arrhythmia agents | Agents used for the treatment or prevention of cardiac arrhythmias. They may affect the polarization-repolarization phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibres. Anti-arrhythmia agents are often classed into four main groups according to their mechanism of action: sodium channel blockade, beta-adrenergic blockade, repolarization prolongation, or calcium channel blockade. (12 Dec 1998) |
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| arrhythmia | <cardiology, physiology> Any variation from the normal rhythm of the heart beat, including sinus arrhythmia, premature beat, heart block, atrial fibrillation, atrial flutter, pulsus alternans and paroxysmal tachycardia. Origin: Gr. Rhythmos = rhythm (18 Nov 1997) |
| arrhythmia, sinus | Irregularity of the heart rate related to functioning of the sinoatrial node. (12 Dec 1998) |
| cardiac arrhythmia | A disturbance the electrical activity of the heart that manifests as an abnormality in heart rate or heart rhythm. Patients with a cardiac arrhythmia may experience a wide variety of symptoms ranging from palpitations to fainting. (27 Sep 1997) |
| respiratory arrhythmia | Phasic sinus arrhythmia or any other rhythm fluctuation induced by respiratory fluctuation. (05 Mar 2000) |
| perpetual arrhythmia | An obsolete term for atrial fibrillation. (05 Mar 2000) |
| phasic sinus arrhythmia | Sinus arrhythmia in which the irregularity is related to the phases of respiration, the rate being faster in inspiration and slower in expiration. (05 Mar 2000) |
| sinus arrhythmia | <cardiology, physiology> An increase in heart rate during inspiration. A normal physiologic response, more pronounced in children. (27 Sep 1997) |
| nonphasic sinus arrhythmia | Sinus arrhythmia in which variations in rhythm are not related to the phases of respiration. (05 Mar 2000) |
| supraventricular arrhythmia | <cardiology> A cardiac arrhythmia which has its origin within the sinus node or atrium (above the ventricles). (27 Sep 1997) |
| juvenile arrhythmia | <cardiology, physiology> An increase in heart rate during inspiration. A normal physiologic response, more pronounced in children. (27 Sep 1997) |
| aberrant ventricular conduction | Abnormal intraventricular conduction of a supraventricular beat, especially where surrounding beats are normally conducted. Synonym: ventricular aberration. (05 Mar 2000) |
| aortico-left ventricular tunnel | Congenital connection between the aorta above exit of coronary arteries and the left ventricle. (05 Mar 2000) |
| arrhythmias, ventricular | Abnormal rapid heart rhythms (arrhythmias) that originate in the lower chambers of the heart (the ventricles). Ventricular arrhythmias include ventricular tachycardia and ventricular fibrillation. Both are life threatening arrhythmias most commonly associated with heart attacks or scarring of the heart muscle from previous heart attack. (12 Dec 1998) |
| arrhythmogenic right ventricular dysplasia | A congenital cardiomyopathy in which transmural infiltration of adipose tissue results in weakness and aneurysmal bulging of the infundibulum, apex, and posterior basilar region of the right ventricle and leads to ventricular tachycardia arising in the right ventricle. (12 Dec 1998) |
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