Ventricular escape
ventricular escape n.
Cardiologic escape in which a ventricular pacemaker sets the heart’s beat before the sinoatrial pacemaker.
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noun 1. Pathology. a cardiac arrhythmia characterized by rapid, chaotic electrical impulses to the ventricles, incomplete ventricular contractions, and resultant loss of pulse and blood pressure. ventricular fibrillation n. An often fatal form of arrhythmia characterized by rapid, irregular fibrillar twitching of the ventricles of the heart in place of normal contractions, resulting in a […]
- Ventricular fusion beat
ventricular fusion beat n. A fusion beat that occurs when the ventricles are activated partly by the descending sinus or atrioventricular nodal impulse and partly by an ectopic ventricular impulse.
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ventricular septal defect n. A congenital defect in the septum between the cardiac ventricles, usually resulting from failure of the spiral septum to close the interventricular foramen.
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noun, Pathology. 1. a cardiac arrhythmia in which the muscles of the ventricles contract irregularly in a rapid, uncoordinated manner, impairing the normal pumping of blood.