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  2. Heart failure with preserved ejection fraction - Wikipedia

    en.wikipedia.org/wiki/Heart_failure_with...

    Diastolic dysfunction is multifaceted, and a given patient may express diverse combinations of the following: incomplete myocardial relaxation, impaired rate of ventricular filling, increased left atrial pressure in filling, increased passive stiffness and decreased distensibility of the ventricle, limited ability to exploit the Frank-Starling ...

  3. E/A ratio - Wikipedia

    en.wikipedia.org/wiki/E/A_ratio

    From this, a number of grades of diastolic function can be determined: [citation needed] Normal diastolic function (E > A) Impaired relaxation (E:A reversal i.e., E is < A) Pseudonormal (E:A ratio appears normal) Restrictive filling (E:A ratio often > 2) Pseudonormalisation shows a transmitral profile that appears normal.

  4. Tissue Doppler echocardiography - Wikipedia

    en.wikipedia.org/wiki/Tissue_Doppler...

    The peak mitral annular velocity during early filling, e' is a measure of left ventricular diastolic function, and has been shown to be relatively independent of left ventricular filling pressure. [12] [13] [14] If there is impaired relaxation (Diastolic dysfunction), the e' velocity decreases. After the early relaxation, the ventricular ...

  5. Diastole - Wikipedia

    en.wikipedia.org/wiki/Diastole

    Effects of impaired diastolic function [ edit ] Brain natriuretic peptide (BNP) is a cardiac neurohormone secreted from ventricular myocytes (ventricular muscle cells) at the end of diastole—this in response to the normal, or sub-normal (as the case may be), stretching of cardiomyocytes (heart muscle cells) during systole.

  6. Diastolic function - Wikipedia

    en.wikipedia.org/wiki/Diastolic_function

    In clinical cardiology the term "diastolic function" is most commonly referred as how the heart fills. [1] Parallel to "diastolic function", the term " systolic function" is usually referenced in terms of the left ventricular ejection fraction (LVEF), which is the ratio of stroke volume and end-diastolic volume . [ 2 ]

  7. Isovolumic relaxation time - Wikipedia

    en.wikipedia.org/wiki/Isovolumic_relaxation_time

    Wiggers diagram of the cardiac cycle, with isovolumic relaxation marked at top. Isovolumic relaxation time (IVRT) is an interval in the cardiac cycle, from the aortic component of the second heart sound, that is, closure of the aortic valve, to onset of filling by opening of the mitral valve. [1] It can be used as an indicator of diastolic ...

  8. Restrictive cardiomyopathy - Wikipedia

    en.wikipedia.org/wiki/Restrictive_cardiomyopathy

    Diagnosis is typically made via echocardiography. Patients will demonstrate normal systolic function, diastolic dysfunction, and a restrictive filling pattern. [9] 2-dimensional and Doppler studies are necessary to distinguish RCM from constrictive pericarditis.

  9. Pathophysiology of heart failure - Wikipedia

    en.wikipedia.org/wiki/Pathophysiology_of_heart...

    The failure of ventricular relaxation also results in elevated end-diastolic pressures, and the end result is identical to the case of systolic dysfunction (pulmonary edema in left heart failure, peripheral edema in right heart failure). [citation needed] Diastolic dysfunction can be caused by processes similar to those that cause systolic ...

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