Zobrazeno 1 - 10 of 54 pro vyhledávání: '"Richard Ashman"'
1
Electrocardiograms with large, upright T waves and long Q-T intervals
Autor: Louis A. Toth, Edwin Byer, Richard Ashman
Publikováno v: American heart journal. 33(6)
It is suggested, on the basis of the experimental results of cooling or warming the endocardial surface of the dog's left ventricle, that large, upright T waves in the human electrocardiogram, together with prolongation of the Q-T interval, may often
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::63b72403d1b73473243e4b0d1878fef7
https://pubmed.ncbi.nlm.nih.gov/20242366
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3
The Ashman phenomenon
Autor: Lee B, Kennedy, William, Leefe, Richard, Ashman
Publikováno v: The Journal of the Louisiana State Medical Society : official organ of the Louisiana State Medical Society. 156(3)
In the presence of atrial fibrillation, impulses of supraventricular origin that are transmitted through the ventricles during periods of relative refractoriness to impulse conduction exhibit anomalous configurations. These "aberrant beats" can be di
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f9c4785b143276e7ff3cbac24185b8ec
https://pubmed.ncbi.nlm.nih.gov/15233390
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4
The normal duration of the Q-T interval
Autor: Richard Ashman
Publikováno v: American Heart Journal. 23:522-534
The curve which expresses the relation between heart cycle length and the duration of the Q-T interval is logarithmic. It may be represented by the general formula Q-T = K log [10(C + k)], in which C is the cycle length (R-R) in seconds. K and k are
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d642dd5799eb2aeb6bdcad4756b68da7
https://doi.org/10.1016/s0002-8703(42)90297-7
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8
A supernormal phase in conduction and a recovery curve for the human junctional tissues
Autor: Richard Ashman, George R. Herrmann
Publikováno v: American Heart Journal. 1:594-616
1.1. Two cases of A-V heart-block are reported which we believe illustrate the supernormal phase in conduction. 2.2. Our second case, in which the argument for the supernormal is less strong, is of additional interest because of (a) the unprecedented
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::038c3c87c4b2a3346207da2fa6e29bab
https://doi.org/10.1016/s0002-8703(26)90127-0
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9
Monophasic Action Currents from the Uninjured Turtle Ventricle
Autor: Richard Ashman, Norman C. Woody
Publikováno v: Experimental Biology and Medicine. 42:17-20
Monophasic action currents obtained by derivation from 2 uninjured points on heart muscle have often been mentioned in the literature. Samojloff,1 for example, produced a block by transverse cutting or compression of the frog heart and recorded monop
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f830065a206f737dda4445f4a15463aa
https://doi.org/10.3181/00379727-42-10784
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10
The 'latency theory' of heart-block and interpolated ventricular premature beats
Autor: Richard Ashman
Publikováno v: American Heart Journal. 5:581-591
Experimental evidence has been presented which shows that the fundamental postulates of the “latency theory” of partial heart-block are not valid for conduction in the turtle heart. From an examination of interpolated ventricular premature beats
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06ed0e6d1eb606cd696e9b7a25424cd7
https://doi.org/10.1016/s0002-8703(30)90252-9
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Plný text Recenzováno Digitální knihovna AV ČR
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