| | | | | | Biomedical Systems has provided Cardiac Event Monitoring (CEM) - also knows as Transtelephonic Arrhythmia Monitoring (TTAM) - and data management, protocol development, standardized equipment, and technical support for clinical trials since 1987. This technology is used frequently in atrial fibrillation studies and requires discussions as to the type of equipment used, ranging from single-event to looping-memory recorders with storage capabilities. Af | | | | | |