Boston scientific received information that this patient with a cardiac resynchronization therapy defibrillator (crt-d) received shocks.The patient also reported symptoms of swollen chest and painful arms.Additional information obtained from the field which indicated that the shock was for sinus atrial tachycardia and therapy was exhausted.There were no signs of infection.Reprogramming changes done and medications were given to address the issue.The device remains in service.No adverse patient effects reported.
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