AC and DC Electric Shock Effects Compared

The debate as to which is more dangerous AC or DC electric shock has been since the " War of Currents" between Edison and Westinghouse. The effects of AC on heart is to cause fibrillation and eventual cardiac arrest if not rectified. The DC current on the other hand freezes the heart, which has higher chance of surviving once the source of current is removed. The let-go threshold of DC current is higher than AC current making AC more dangerous at the same voltage. However both AC and DC kill so they must be treated with respect.