Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “Modems”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 649 records · Page 36Linked to original sources

Electrocardiogram recording by telephone in antiarrhythmic drug trials.

The purpose of this study was to evaluate ECG recording by telephone as a research tool for documenting the cardiac rhythm during symptoms of paroxysmal atrial tachycardia. Eleven patients were enrolled in the study during the first year. They transmitted 34 rhythm strips during symptoms, 17 of which showed paroxysmal atrial tachycardia; only one of the 34 was uninterpretable. Three patients thought they were having paroxysmal atrial tachycardia when their rhythm strips showed that they were having sinus tachycardia. Patient compliance and satisfaction with our follow-up system were high. Our study supports the use of ECG recording by telephone as an excellent tool to document arrhythmias in patients enrolled in clinical trials.

Anti-Arrhythmia Agents↗

An on-line system for electrocardiogram interpretation using the Bonner program.

An on-line system for electrocardiogram (ECG) interpretation using the Bonner program has been developed. The system consists of a telephone network, a process computer, a host computer, a computer interface and an electrocardiograph equipped with transmitting options. The signal acquisition program offered by IBM was modified so as to be equipped with the following functions: The technician can distinguish whether the process computer is ready or not, even if he is working in an examination room which is distant from the computer room. The data received by the process computer is transferred to the host computer in real time. In cases where the host computer is unable to receive the data, the process computer restarts transmission quickly after the host computer recovers the function of receiving. The host computer interprets transferred data in real-time by the Bonner program. The interpretation report is printed in real time on a remote printer. As the result of these modifications, a series of data processing operations may be executed without intermediary operators. The printed interpretation report begins to appear about ten seconds after completion of transmission.

Electrocardiography↗

Teleradiology at Gunma University Hospital.

Using NEC MediFile 1000 and the public telephone system, the Department of Radiology of Gunma University Hospital and Saitama Medical School deliver image diagnosis to fellow clinicians and affiliated hospitals. The system consists of digitizing, filing, processing, retrieving and archiving units for radiographs and documents. Images were digitized by CCD and filed in 2 Gbyte double sided optical disk, which can accommodate 500 sheets of 14 x 17 films on 1500 of the smallest size slats without data compression. Image resolution was evaluated by ROC curve using multiple pulmonary nodules. The time taken for image transfer over 24 km was tested with various film sizes, image varieties and data compression rates.

Computer Communication Networks↗

Healing by wire.

Explore the source record for details and available documents.

Diffusion of Innovation↗

Rehab gets wired.

Explore the source record for details and available documents.

Brain Diseases↗

ECG telephone transmission for monitoring pacemakers and cardiac arrhythmias.

A network of ECG telephone transmission has been established which uses simple and inexpensive equipment, and which is aimed particularly at arrhythmia monitoring. Hospitals in areas remote from major medical centers are able to transmit to the Toronto General Hospital for expert advice. 400 patients in their homes may transmit to any of these hospitals for monitoring of pacemaker function or intermittent cardiac arrhythmia. Any patients in the Toronto General Hospital not admitted for a cardiac problem may be monitored via telephone by the expert nurses in the coronary care unit if a cardiac arrhythmia should arise. Equipment for the system has been carefully designed to minimize cost and to make it simple to use, particularly for the old or infirm patients in their homes. Transmissions between hospitals meet American Heart Association specifications for ECG recording. Transmissions of arrhythmias from patients' homes are carried out with a reduced low-frequency response. Expert cardiologists find both transmissions acceptable for their particular purpose. Standards should be set for simple, economic transmission systems as well as for those meeting the most stringent criteria.

Amplifiers, Electronic↗