Computer diagnosis of electrocardiograms. IV. A computer program for contour analysis with clinical results of rhythm and contour interpretation

Pordy, L; Jaffe, Henry L.; Chesky, Kenneth; Friedberg, Charles K.; Fallowes, Lloyd; Bonner, Raymond

doi:10.1016/0010-4809(68)90068-2

Cited by 48 publications

(8 citation statements)

References 2 publications

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“…ECG interpretation techniques were initially developed and used on mainframe computers in the early 1960s [1]. In those days, mainframe computers centrally located in computing centers performed ECG analysis and interpretation.…”

Section: Ecg Interpretation By Computermentioning

confidence: 99%

Evolution of microcomputer-based medical instrumentation

Tompkins

2009

2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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This paper provides a historical review of the evolution of the technologies that led to modern microcomputer-based medical instrumentation. I review the history of the microprocessor-based system because of the importance of the microprocessor in the design of modern medical instruments. I then give some examples of medical instruments in which the microprocessor has played a key role and in some cases has even empowered us to develop new instruments that were not possible before. I include a discussion of the role of the microprocessor-based personal computer in development of medical instruments.

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Section: Ecg Interpretation By Computermentioning

confidence: 99%

Evolution of microcomputer-based medical instrumentation

Tompkins

2009

2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society

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“…The effect of compressing the data on diagnostic computer analysis results is tested on Cardionics program, which is derived from the Mount Sinai program developed by Pordy et al, in conjunction with CRO-MED Bionics Company [25]. Morphological measurements include (1) intervals -PR, QRS, QT, (2) "width"s -Q, R, S, R , S , T, P, (3) amplitudes -P, Q, R, R , S, S , T, JJ, and (4) areas of QRS and QRST.…”

Section: Subband Coder (Sbc)mentioning

confidence: 99%

Compression of Digital Biomedical Signals

Çetin¹,

Köymen²

1999

Electrical Engineering Handbook

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“…The P-R interval in human surface ECG, reflecting the atrioventricular conduction time, is normally less than 0.20 sec at rest (12) and an interval exceeding 0.21 sec is generally considered as an AV block I ( 5 , 16), and thereby as an impaired atrioventricular conduction of possible pathological significance. However, cases with a long P-R interval as a single symptom, who seem to be quite healthy and have no history of cardiac disease, are rather common.…”

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confidence: 99%

The Significance of AV Block I in Asymptomatic Young Men

Ahlborg

Atterhög

Ekelund

et al. 1977

Journal of Internal Medicine

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Twenty‐nine young men with AV block I (P‐R interval >0.22 sec), without any history of heart disease, have been compared with 112 randomly selected healthy men of the same age. In 24 subjects who were free from concomitant ECG changes the P‐R interval was normalized during orthostatic test and/or physical exercise. This group did not differ from the controls regarding anthropometric data and physical work capacity except for a higher heart rate at rest, thus suggesting that in these subjects an occurrence of AV block I has no pathological significance. However, it cannot be excluded that the block is a sequela, for instance, to myocarditis. Three subjects with AV block I and inverted T waves in the precordial leads and two subjects with unchanged P‐R intervals to increased sympathetic tone had on average a smaller body size, a higher HR and systolic BP in recumbent position and smaller blood volumes.

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Computer diagnosis of electrocardiograms. IV. A computer program for contour analysis with clinical results of rhythm and contour interpretation

Cited by 48 publications

References 2 publications

Evolution of microcomputer-based medical instrumentation

Evolution of microcomputer-based medical instrumentation

Compression of Digital Biomedical Signals

The Significance of AV Block I in Asymptomatic Young Men

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