Time-domain representation of ventricular-arterial coupling as a windkessel and wave system

…, NG Shrive, KH Parker, JV Tyberg - American Journal …, 2003 - journals.physiology.org
The differences in shape between central aortic pressure (P Ao ) and flow waveforms have
never been explained satisfactorily in that the assumed explanation (substantial reflected …

The relationship between pericardial pressure and right atrial pressure: an intraoperative study.

JV Tyberg, GC Taichman, ER Smith, NW Douglas… - Circulation, 1986 - Am Heart Assoc
The objective of this study was to determine the constraining effect of the normal human
pericardium. Accordingly, immediately after thoracotomy in nine patients undergoing elective …

Edema as a very early marker for acute myocardial ischemia: a cardiovascular magnetic resonance study

H Abdel-Aty, M Cocker, C Meek, JV Tyberg… - Journal of the American …, 2009 - jacc.org
Objectives : This study was designed to determine whether imaging myocardial edema
would identify acute myocardial ischemia before irreversible injury takes place. Background : …

The pericardium substantially affects the left ventricular diastolic pressure-volume relationship in the dog.

…, J Lekven, DF Stowe, WW Parmley, JV Tyberg - Circulation …, 1978 - Am Heart Assoc
We instrumented six dog hearts in vivo to study the relationship between left and right ventricular
diastolic pressures with the pericardium closed and open. We measured left ventricular …

Diastolic ventricular interaction in chronic heart failure

…, HL Thomson, AJ Galbraith, I Belenkie, JV Tyberg… - The Lancet, 1997 - thelancet.com
Background Diastolic ventricular interaction describes a situation in which the volume of
one ventricle is directly influenced by the volume of the other ventricle. Such interaction is …

Why does pulmonary venous pressure rise after onset of LV dysfunction: a theoretical analysis

D Burkhoff, JV Tyberg - American Journal of Physiology …, 1993 - journals.physiology.org
TYBERG Division of Circulatory Physiology, Department of Medicine, Columbia …
Burkhoff, Daniel, and John V. Tyberg. Why does pulmonary venous pressure rise after onset …

The arterial reservoir pressure increases with aging and is the major determinant of the aortic augmentation index

…, RA Foale, IS Malik, JV Tyberg… - American Journal …, 2010 - journals.physiology.org
The augmentation index predicts cardiovascular mortality and is usually explained as a
distally reflected wave adding to the forward wave generated by systole. We propose that the …

Does fitness level modulate the cardiovascular hemodynamic response to exercise?

…, RC Welsh, SR Petersen, JV Tyberg… - Journal of applied …, 2006 - journals.physiology.org
Subjects with greater aerobic fitness demonstrate better diastolic compliance at rest, but
whether fitness modulates exercise cardiac compliance and cardiac filling pressures remains to …

Effects of volume loading during experimental acute pulmonary embolism.

I Belenkie, R Dani, ER Smith, JV Tyberg - Circulation, 1989 - Am Heart Assoc
Volume loading is used to treat hemodynamically compromised patients with acute pulmonary
embolism despite data to suggest that volume loading after embolism might cause a …

An analysis of segmental ischemic dysfunction utilizing the pressure-length loop

JV Tyberg, JS Forrester, HL Wyatt, SJ Goldner… - Circulation, 1974 - Am Heart Assoc
Left ventricular (LV) pressure and myocardial segment length, determined by an epicardial
mercury-in-silastic length gauge, were plotted simultaneously to obtain a pressure-length …