Taser shocks can cause cardiac arrest

Taser shocks to the chest can trigger ventricular fibrillation and cardiac arrest, confirms the first peer-reviewed clinical study into the real-world effects of stun guns.

US researchers reviewed eight cases — seven of them fatal — of ventricular arrhythmias or asystole following application of Taser shocks in close proximity to the heart.

All eight men had been previously healthy, and lost conscious during or