Rapid, uncoordinated contractions of individual heart muscle fibers The heart chamber involved can't contract all at once and pumps blood ineffectively, if at all
waves with rates of 300-400 times per minute causing mere fibrillation of cardiac muscle; can occur with atria or with ventricles
A condition in which a very rapid, unsychronized, beating of different parts of the heart occur Essentially the parts quiver, rather than beat together The most serios fibrillation is "V-Fib" (Ventricular Fibrilation), where the main pumping chambers of the heart quiver, rather than pump blood The fix for this is electrical defibrillation, using a device called a defibrillator (the paddles you see on TV)
Fibrillation is a very fast and irregular succession of stimuli, leading to the disappearance of any coordinated and effective contraction of auricular cardiac fibres (auricular fibrillation) or ventricular fibres (ventricular fibrillation is equivalent to heart failure) Frequency : The number of identical and regular cycles during one second Frequency is expressed in Hertz (Hz) It is the inverse of the period which is expressed in seconds : 1 Hz = 1/s
the longitudinal splitting of a fibre or filament to give either micro-fine surface hairs or a complete breakdown into sub-micron fibres In fabrics for apparel, fibrillation can be used to create a variety of surface textures and attractive aesthetics In hydroentangled nonwoven fabrics, the fibrils make entanglement easier and can give added strength to the fabric
rapid uncoordinated contractions of the heart muscle occurring when the individual muscle fibres take up independent irregular contractions
Rapid, uncoordinated contractions of individual heart muscle fibres The heart chamber involved can't contract all at once and pumps blood ineffectively, if at all See Atrial Fibrillation and Ventricular Fibrillation
-Abnormal uncontrolled rapid contraction of the fibers in the heart When the process involves the two upper chambers of the heart (the atria), the condition is called "atrial fibrillation " When it involves the lower, ventricular chambers, the condition is called "ventricular fibrillation "