Inward diastolic motion: A normal component of isovolumic relaxation and rapid refill

Inward diastolic motion: A normal component of isovolumic relaxation and rapid refill

Using a high-precision Compton backscatter imaging technique, an early diastolic inward motion that initiates during isovolumic relaxation was detected on the right and left epicardial free walls of the heart in 100% of the 14 normal canines studied. This inward motion was first detected 20-30 minut...

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Veröffentlicht in:American journal of physiology. Heart and circulatory physiology 1994-06, Vol.35 (6), p.H2380
Hauptverfasser: McInerney, Joseph J, Aronoff, Robert D, Blasko, Suzanne H, Copenhaver, Gary L, Herr, Michael D
Format: Artikel
Sprache:eng
Schlagworte:
Blood pressure
Dogs
Heart
Scientific imaging
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Zusammenfassung:Using a high-precision Compton backscatter imaging technique, an early diastolic inward motion that initiates during isovolumic relaxation was detected on the right and left epicardial free walls of the heart in 100% of the 14 normal canines studied. This inward motion was first detected 20-30 minutes after left ventricular maximal rate of pressure decrease over time, and maximum wall velocities during this time period exceeded those occurring in the same regions during systole.
ISSN:0363-6135
1522-1539