Shock-able Rhythms

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If one of these rhythms is identified, the priority in treatment is to deliver electricity to the heart using a defibrillator.
Ventricular fibrillation (VF)
This is identified by the erratic nature of the electrical activity. It is random and unpredictable. It is sometimes classified as being fine or coarse depending on whether the electrical activity is of small (fine) or large (coarse) amplitude.

Ventricular tachycardia (VT)
This is a broad QRS complex tachycardia that has a very distinctive appearance on an ECG monitor. It is not always associated with cardiac arrest but is always a significant arrhythmia.


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