A cardiac device that stores physiological sensor data from multiple sensors is provided. A patient may use a portable triggering device to cause the cardiac device to store the data when the patient experiences symptoms that appear to be due to an abnormal heart condition. Alternatively, the data may...http://www.google.com/patents/US5518001?utm_source=gb-gplus-sharePatent US5518001 - Cardiac device with patient-triggered storage of physiological sensor data
