Oh, J. K., J. B. Seward, and A. J. Tajik. The Echo Manual. 3rd Edition, Boston: Philadelphia: Lippincott Williams
and Wilkins, (2007), 73-76, 210.
ERO = MV Akış Hızı/MR Vel * 100
Ejeksiyon Fraksiyonu (EF), yüzde
Oh, J. K., J. B. Seward, A. J. Tajik. The Echo Manual. 3rd Edition, Philadelphia: Lippincott Williams and Wilkins,
(2007), 115-116.
EF = ((LVEDV – LVESV)/LVEDV) * %100
bu denklemde: EF = Ejeksiyon Fraksiyonu
LVEDV = Sol Ventriküler Diyastol Sonu Hacmi
LVESV = Sol Ventriküler Sistol Sonu Hacmi
msan cinsinden Geçen Süre (ET)
Oh, J. K., J. B. Seward, A. J. Tajik. The Echo Manual. 3rd ed., Philadelphia: Lippincott Williams, and Wilkins,
(2007), p.147, 148, figure 9-8
ET = milisaniye cinsinden hız imleçleri arasındaki zaman
Sol Atriyal Hacim
Lang R. et al. "Recommendations for Cardiac Chamber Quantification: A report from the American Society
of Echocardiography's Guidelines and Standards Committee and the Chamber Quantification Writing Group,
Developed in Conjunction with the European Association of Echocardiography, a Branch of the European
Society of Cardiology." J Am Soc Echocardiography (2005), 18:1440-1463.
Lang R, Bierig M, Devereux R, et al. "Recommendations for Cardiac chamber Quantification by
Echocardiography in Adults: An Update from the American Society of Echocardiography and the European
Association of Cardiovascular Imaging." J Am Soc Echocardiography (2015), 28:1-39.
LA Vol = π/4(h) Σ(D1)(D2)
bu denklemde: LA Vol = ml cinsinden Sol Atriyal Hacim
h = LA'yı oluşturan istifli oval disklerin yüksekliği
D1 = Ortogonal minör eksen
D2 = Ortogonal majör eksen
2 düzlemli Simpson kuralı (diskler yöntemi)
LA Vol = π/4(h) Σ(D1)(D2)
Ölçüm yayınları ve terminoloji
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