We know that the left ventricle which feeds blood into the aorta is typically the largest chamber of the heart.
I'm looking for the typical absolute and relative sizes of the four heart chambers.
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Sign up to join this communityWe know that the left ventricle which feeds blood into the aorta is typically the largest chamber of the heart.
I'm looking for the typical absolute and relative sizes of the four heart chambers.
The volume is not the same in all the organisms having four chambered heart. But if you are talking about humans, here are the measurements:
The mean volume of the right atrium (RAMV), right ventricle (RVMV), and left atrium (LAMV) was 22.3 +/- 6.5, 40.3 +/- 6.5 and 28.7 +/- 8.2 ml/m2, respectively.
Source: Measurement of four chambers' volumes and ventricular masses by cardiac CT examination
From an echocardiographic perspective I direct you to the consensus statements in our field (1). Keep in mind echocardiographic measurements are generally considered less anatomically accurate compared to cardiac MRI or cardiac CT. Since you have asked for absolute and relative sizes I have mainly just included measurement indexed to BSA from which you can determine the absolute depending on the persons height and weight:
Page 7. Normal LV EDV (2-SD range):
62-150mL (Male), 46-106mL (Female)
P.39.e8 Normal ranges and severity partition cutoffs
Page 10. Normal LA volume range (indexed to BSA):
16-34mL/m2 (Male), 16-34mL/m2 (Female)
Page 20. Normal RV EDV range (indexed to BSA):
35-87mL/m2 (Male), 32-74mL/m2 (Female)
Page 30. RA volume (indexed to BSA):
25±7mL/m2 (Male), 21±6mL/m2 (Female)
References: