Chamber Quantification: LV, LA, RV, and RA Echocardiographic Values

Reference ranges and categories for Left Ventricular function, Left Atrial volumes, and Right Ventricular/Atrial dimensions according to the Lang, R. et al. 2015 update.

Normal LA Volume

$$16-34\,ml/m^2$$

Mild LA Volume

$$35-41\,ml/m^2$$

Moderate LA Volume

$$42-48\,ml/m^2$$

Severe LA Volume

>48\,ml/m^2

RV Ap 4ch basal diameter

$$2.5-4.1\,\text{cm}$$

RV Ap 4ch mid diameter

$$1.9-3.5\,\text{cm}$$

RV Ap 4ch length

$$5.9-8.3\,\text{cm}$$

RV wall thickness

$$1-5\,\text{mm}$$

RA area

$$\text{Area} \le 18\,\text{cm}^2$$

RA volume (Woman)

$$21\,ml/m^2 \pm 6$$

RA volume (Men)

$$25\,ml/m^2 \pm 7$$