emWave Mac is an easy-to-use software program and patented heart rhythm monitor designed to prevent, manage and reverse the negative effects of stress, anxiety, depression and more. The system is an innovative approach to stress relief based on learning to change the heart rhythm pattern and create physiological coherence in the body. Coherence is a highly efficient state where all the systems of the body work together in harmony. emWave Mac collects pulse data through a pulse sensor which plugs into your computer. The program translates the information from your heart rhythms into graphics displayed on your computer screen. emWave Mac collects pulse data through a finger or ear sensor which plugs into your computer. The program translates the information from your heart rhythms into user friendly graphics displayed on your computer screen.