ventricular beat

См. также в других словарях:

• Ventricular tachycardia — Classification and external resources ICD 10 I …   Wikipedia

• beat — 1. To strike; to throb or pulsate. 2. A stroke, impulse, or pulsation, as of the heart or pulse. 3. Activity of a cardiac chamber produced by catching a stimulus generated elsewhere in the …   Medical dictionary

• Ventricular tachycardia — An abnormally rapid heart rhythm that originates from a ventricle, one of the lower chambers of the heart. Although the beat is regular, ventricular tachycardia is life threatening because it can lead to a dreaded condition, ventricular… …   Medical dictionary

• Ventricular fibrillation — An abnormal irregular heart rhythm whereby there are very rapid uncoordinated fluttering contractions of the lower chambers (ventricles) of the heart. Ventricular fibrillation disrupts the synchrony between the heartbeat and the pulse beat.… …   Medical dictionary

• Ventricular escape beat — A ventricular escape beat is a heart rhythm finding, discovered on EKG, that indicates the normal electrical conduction system of the heart is disrupted or performing inadequately. More specifically, it is an ectopic beat that occurs after an… …   Wikipedia

• ventricular fibrillation — noun fibrillation of heart muscles resulting in interference with rhythmic contractions of the ventricles and possibly leading to cardiac arrest • Hypernyms: ↑fibrillation, ↑cardiac arrhythmia, ↑arrhythmia * * * noun : very rapid uncoordinated… …   Useful english dictionary

• ventricular escape beat — an ectopic beat of ventricular origin occurring in the absence of supraventricular impulse generation or conduction; it is characterized by a bizarre, usually wide QRS complex and lack of an ectopic P wave …   Medical dictionary

• ventricular bigeminy — an arrhythmia consisting of the repeated sequence of one ventricular premature complex followed by one normal beat …   Medical dictionary

• ventricular escape — the occurrence of one or more ectopic beats in which a ventricular pacemaker becomes effective before the pacemaker in the sinoatrial node. See also under beat and rhythm …   Medical dictionary

• ventricular premature complex — (VPC) an ectopic beat arising in the ventricles and stimulating the myocardium prematurely. It is characterized by an early, wide, oddly shaped QRS complex with an ST segment and T wave directed opposite to the QRS complex, usually without… …   Medical dictionary

• fusion beat — in electrocardiography, the complex resulting when an ectopic ventricular beat coincides with normal conduction to the ventricle; the complex has features of both the normal and the ectopic beat …   Medical dictionary