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RV wall diastolic collapse.

Figure 49. A. Partial early diastolic collapse and B. complete diastolic collapse of the RV free wall
.Figure 49

A. Partial early diastolic collapse (curved black arrow; black arrow marks beginning of diastole)
B. complete diastolic collapse of the RV free wall (thick black arrows). Asterisk: effusion.

Figure 50. 2D subcostal 4-chamber
Figure 51. M-mode subcostal 4-chamber, RV free wall. Prolonged diastolic collapse of the RV lateral wall
Figure 51. M-mode subcostal 4-chamber, RV free wall

Figures 50-51. Prolonged diastolic collapse of the RV lateral wall (white arrow). Asterisk: pericardial effusion.

Excessive movement of the heart within the pericardial sac (the swinging heart).

Figure 52. 2D parasternal long axis
Figure 53. Excessive  movement of the heart within the pericardial sac (the swinging heart).
Figure 53