In many patients, the symptoms are related to a faster heart beat. However, some patients have symptoms, even if the heart rate is not fast. In some patients, if the heart beats too slowly during atrial fibrillation, this can also cause symptoms. An irregular pulse (usually detected by listening to the heart with stethoscope) is the most common sign of atrial fibrillation at physical examination. Table 1. Common signs and symptoms of atrial fibrillation.
Freebase(0.00 / 0 votes)Rate this definition: Riddim. Riddim is the Jamaican Patois pronunciation of the English word rhythm, but in dancehall/reggae parlance it refers to the instrumental accompaniment to a song. Thus, a dancehall song consists of the riddim plus the voicing sung by the deejay.
Deindividuation is the perceived loss of individuality and personal responsibility that can occur when someone participates as part of a group. It can cause a person to be more likely to donate a large amount of money to charity, but also cause them to be more likely to engage in mob violence.eindividuation theory seeks to provide an explanation for a variety of antinormative collective behavior, such as violent crowds, lynch mobs, etc. Deindividuation theory has also been applied to genocide and been posited as an explanation for antinormative behavior online and in computer-mediated communications.