New clinical devices and technologies (both diagnostic and therapeutic) are being tested and approve ...

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New clinical devices and technologies (both diagnostic and therapeutic) are being tested and approved in this country every year.  In recent years the cardiovascular system and the orthopedic sector have been targeted by many companies and a number of exciting new technologies have emerged.  Pick two approved devices or technologies that have had an impact on either cardiovascular disease or orthopedics with respect to their diagnosis or treatment.  You may choose to do two devices from cardiology, two from orthopedics or one from each.  Identify the unmet clinical need each was designed to fulfill. Explain the reasons behind the success or failure of device in meeting the need. Identify any major, unanticipated problems that have occurred since each has been approved. (unexpected deaths, life threatening adverse events, product recalls, etc.) If any problems occurred, why do you think they occurred and what could have been done to prevent them.