Coarse Vfib

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The heart is no longer an effective pump and is reduced to a quivering mess. Unless advanced life support is rapidly instituted, this rhythm is invariably fatal. Prolonged ventricular fibrillation results in decreasing waveform amplitude, from initial coarse VF to fine VF and ultimately degenerating into asystole .This rapid disorganized electrical activity actually makes the heart appear to quiver in response to this activity. Some have described it as shaking like Jello. Fibrillatory waves may be coarse or very fine. This is based upon their size. The longer V Fib occurs, the smaller the waveforms are likely to be. Coarse V Fib is when a .

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