376415.fig.003a
(a)
376415.fig.003b
(b)
376415.fig.003c
(c)
376415.fig.003d
(d)
Figure 3: A participant is pericardiocentesis (a), the corresponding image is shown in (b), the left ventricle is colored in red, the effusion is colored in blue (c), and visualization of the needle is shown by yellow arrow (d).