The Cardiospec is equipped with two modes for delivering shock waves. Automatic mode and Manual mode. When the patient has a history of ventricle extrasystole, the Cardiospec should be in Manual mode, thus, delivery of shockwaves using the Remote control by the user. When the E.C.G. monitor shows an extrasystole then the user should delay the delivery of shockwaves at least for 3 seconds.
In addition, the Cardiospec is equipped with a safety mode, that does not allow the delivery of shockwaves in an interval that is less then 500 ms. Thus, if another R waves is generated in less than 500 ms than the previous one, shockwaves will not be delivered (even if in Automatic mode).