Profile: Incontrol, Inc. develops implantable atrial defibrillators and related products under the brand name Metrix, to treat atrial fibrillation (AF), a common heart rhythm disorder. Metrix implantable atrial defibrillator is programmed by physicians with techniques similar to those used for implanting pacemakers. It is designed to detect the presence of atrial fibrillation, select the proper heartbeat interval, and deliver a low-energy synchronized shock. The device also offers post-shock ventricular back-up pacing, & data and electrocardiogram storage.