Impedanzkardiographie - AV-Intervall
Figure 1: Pat. P. S. (male; aged 37, DDD pacemaker Biotronik Logos implanted for 3rd degree AV block). Stroke volume and cardiac output were measured by impedance cardiography at various atrioventricular delays (DDD stimulation, rate 90 bpm).


Keywords: AV-delay,  Biotronik,  cardiac index,  cardiac index,  heart rate,  Herzfrequenz,  impedance cardiography,  Impedanzkardiographie,  LOGOS,  LOGOS,  pacemaker,  Schlaganfall,  Schrittmacher,  stroke volume

Echokardiographie - AV-Intervall
Figure 2: Pat. H. D. (male, aged 83, DDD pacemaker ELA Chorus 6244 implanted for 2nd degree AV block). Doppler echocardiographic measurement (continuous wave Doppler) of velocity-timeintegral of aortic flow (atrial sensed AVD 141 ms).


Keywords: AV-delay,  AV-Intervall,  echocardiography,  Echokardiographie,  ELA Chorus,  ELA Chorus,  pacemaker,  Schrittmacher

AV-Intervall
Figure 3: Increase in stroke volume (ml) following use of optimal atrioventricular delay measured by impedance cardiography at rest (VDD stimulation)


Keywords: AV-delay,  AV-Intervall,  Diagramm,  impedance cardiography,  Impedanzkardiographie,  Schlaganfallvolumen,  stroke volume

AV-Intervall
Figure 4: Increase in stroke volume (ml) following use of optimal atrioventricular delay at a higher rate DDD stimulation (f = 90 bpm)


Keywords: AV-delay,  AV-Intervall,  Diagramm,  Schlaganfallvolumen,  stroke volume