Factors which affect the diastolic pressure-volume curve.

Ventricular pressure-volume curve indices with end-diastolic pressure.

Ventricular pressure-volume curve indices change with end-diastolic pressure.

Many indices have been proposed to describee the diastolic pressure-volume curve mathematically and permit quantification of the elastic properties of the myocardium itself in hopes that changes in the muscle caused by disease would b.e reflected in the diastolic pressure-volume curve. To date, none of the proposed indices has been shown convincingly to discriminate one group of patients from a...

Acute hemodynamic interventions shift the diastolic pressure-volume curve in man.

Frame-by-frame analysis of angiograms in 16 patients revealed that hemodynamic interventions are capable of producing substantial shifts in the diastolic pressure-volume curve. Angiotensin raises blood pressure and shifts the entire pressure-volume curve up, and nitroprusside lowers blood pressure and shifts the curve down. Indirect measurements of pleural pressure in seven patients (via esopha...

The diastatic pressure-volume relationship is not the same as the end-diastolic pressure-volume relationship.

The end-diastolic pressure-volume (P-V) relationship (EDPVR) is routinely used to determine the passive left ventricular (LV) stiffness, although the diastatic P-V relationship (D-PVR) has also been measured. Based on the physiological difference between diastasis (the LV and atrium are relaxed and static) and end diastole (LV volume increased by atrial systole and the atrium is contracted), we...

Factors Which Affect the Availability of Magnesium.

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