aortic end diastolic pressure
The role of inotropic variation in ventricular function during atrial fibrillation
... central aortic pulse pressure was measured in relation to the duration of the preceding diastolic interval, the relative degree of cycle-length change, the magnitude of the preceding aortic ...
10
Digitalis Induced Increase in Aortic Regurgitation and the Contrasting Effects of Glucagon in the Sedated Dog
... ventricular end-diastolic pressure rose from 20±6 to 27±6 mm Hg (P < ...resistance, aortic diastolic pressure, and diastolic regurgitant flow rate, and, heart rate and ...
11
General anesthesia and positive pressure ventilation suppress left and right ventricular myocardial shortening in patients without myocardial disease – a strain echocardiography study
... and aortic Doppler flow ...and aortic Doppler flow profiles were recorded for mea- surements of LV isovolumetric relaxation time, max- imum flow velocity during LV early (E-max) and late (A- max) ...
8
Are aortic coarctation and rheumatoid arthritis different models of aortic stiffness? Data from an echocardiographic study
... * end-dia- stolic ratio posterior wall thickness/LV diameter and indi- cated concentric LV geometry if > ...LV end-diastolic and end-systolic volumes were measured by the biplane method of ...
9
Transcatheter and Doppler waveform correlation in transcatheter aortic valve replacement
... severe aortic stenosis (panels A(i)–A(iii)), further demon- strated by transcatheter (B) and color-flow Doppler assessment (C) before TAVR (i) (figure ...central aortic regurgita- tion was observed with ...
8
The assessment of pressure-volume relationship during exercise stress echocardiography predicts left ventricular remodeling and eccentric hypertrophy in patients with chronic heart failure
... LV end-diastolic volume (EDV) and ESV were calculated according to the biplane Simpson’s ...spectral aortic tracing recorded from the apical 5-chamber view, with the PW Doppler sample volume ...
8
Prognostic impact of postprocedure stroke volume in patients with low-gradient aortic stenosis
... AR, aortic regurgitation; AS, aortic stenosis; AVA, aortic valve area;BP, blood pressure; EOA, effective orifice area;E/e', transmitral early peak velocity to early diastolic mitral ...
8
The Effect of Prolonged Administration of Ethanol on Cardiac Metabolism and Performance in the Dog
... HR, heart rate; MAP, mean aortic pressure; LVP, left ventricular pressure; LVEDP, left ventricular end-diastolic pressure; TCF, total coronary flow; CO, cardiac output; Vo2, oxygen consu[r] ...
8
Effects of Acute Increases in Left Ventricular Preload on Indices of Myocardial Function in Conscious, Unrestrained and Intact, Tranquilized Baboons
... LV pressure gauges and aortic and left atrial ...LV end-diastolic pressure by 23.7±2.6 mm Hg, LV end-diastolic diameter by ...arterial pressure and peak LV wall ...
10
Left ventricular function: time varying elastance and left ventricular aortic coupling
... The pressure–volume loops of a cardiac cycle described above are directly related to ventricular function curves ...tween end-diastolic volume and end-systolic volume) multiplied by heart rate ...
11
Effects of Nitroglycerin and Propranolol on the Distribution of Transmural Myocardial Blood Flow during Ischemia in the Absence of Hemodynamic Changes in the Unanesthetized Dog
... ischemia. Studies were carried out 7-14 d after implantation of an electromagnetic flowmeter probe and balloon occluder on the left circumflex coronary artery, placement of epicardial minor axis sonar crystals, and ...
8
Experimental myocardial infarction: II Acute depression and subsequent recovery of left ventricular function: serial measurements in intact conscious dogs
... developed pressure (left ventricular peak systolic pressure minus left ventricular end-diastolic pressure) and left ventricular end-diastolic pressure during ...
9
Thermodynamic phase plane analysis of ventricular contraction and relaxation
... In principle, the Frank-Starling Law, which is an experi- mentally determined relationship, should characterize contraction-relaxation coupling. Because the Frank-Star- ling Law is based on experimental observation, ...
10
The Mechanics of Left Ventricular Contraction in Acute Experimental Cardiac Failure
... the aortic root. The ventricular pressure-volume curve was determined directly, and the mechanical responses of the myocardial fibers and contractile elements were ...
15
Original Article Proteomic studies on the protective effects of Shenfu decoction in chronic heart failure
... thickness, diastolic poste- rior wall thickness of the LV, and end-diastolic and end-systolic diameter of the ...100]. End-systolic wall stress was measured accord- ing to the method ...
11
The Role of Venous Pressure in Regulation of Output from the Heart of the Octopus, Eledone Cirrhosa (Lam )
... The observation that the back pressure on the isolated ventricle affects stroke volume, but not heart rate, implies that in vivo the diastolic aortic pressures will make an important con[r] ...
13
Peak oxygen uptake in relation to total heart volume discriminates heart failure patients from healthy volunteers and athletes
... proximal parts of the great vessels covered by the peri- cardium. A region of interest was manually drawn around the pericardial border in all the short-axis images of the heart in end-diastole (Figure 1) using a ...
9
Diabetes mellitus activates fetal gene program and intensifies cardiac remodeling and oxidative stress in aged spontaneously hypertensive rats
... Several pathophysiological mechanisms may be involved in LV dilation and dysfunction during diabetes [43]. Im- paired myocardial contractility is an important cause of cardiac dilation and dysfunction [44]. In fact we ...
9
In vivo and ex vivo effects of propofol on myocardial performance in rats with obstructive jaundice
... intraventricular pressure using two preparations of pithed rats and isolated function- ing ...the aortic flow and left ventricular pres- sure were stabilized, data were acquired for 30 consecutive seconds ...
6
Gender differences in myocardial function and arterio-ventricular coupling in response to maximal exercise in adolescent floor-ball players
... to match the actual borders of the myocardium and the regions of interest were optimized so that their thick- ness represented the corresponding thickness of the LV segments. Using the 2D strain analysis application ...
12