Often Cardiac dysrhythmia: Any irregularity of heart beat.
a pulse with an irregular rhythm
Dysrhythmia is any abnormality in the rate, regularity or sequence of heart activity.
A disturbance in the normal pattern of brain waves as recorded in encephalography (EEG). Dysrhythmias of different kinds may show up during migraine, sleep, overexcitement, etc.
Any disturbance in the normal rhythm of the heartbeat; irregularities may occur in discharge of impulses from the SA node, or in conduction of impulses through the cardiac tissue.
A disturbance in heart rhythm, sometimes used as an alternative to the term "arrhythmia."
An abnormal rhythm of the heart.
an abnormal heart rhythm.