Based on photo-plethysmographic imaging through the smartphone camera, this sensor-less technology allows controlling cardiac coherence biofeedback exercises through a simplified heart rate variability algorithm. In this paper, we present a new simplified smartphone based solution allowing people to process efficient cardiac coherence biofeedback exercises. Even if some heart rate variability based solutions exist, they presented some mobility constrain rendering these cardiac / respiratory control technologies more difficult to perform on a daily used. Cardiac coherence biofeedback training consist on slowing ones breathing to 0.1 Hz in order to simulate the baroreflex sensitivity and increase the. Such a non-intrusive therapeutic solution needs to be performed on an 8 to 10 weeks period. I found a number of apps for iphone and android which use the concept of. Several studies have shown that these breathing exercises can constitute an efficient therapy in many clinical contexts like cardiovascular diseases, asthma, fibromyalgia or post-traumatic stress. New technology in smart phone apps is making cardiac coherence accessible for everyone. Further research is desirable to investigate the. Cardiac coherence biofeedback training consist on slowing one's breathing to 0.1 Hz in order to simulate the baroreflex sensitivity and increase the respiratory sinus arrhythmia efficiency. Our study demonstrated the practical feasibility of cardiac coherence biofeedback training in CAD patients.
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