PMC5789470_01
Initial echocardiographic examination - arrow points toward pericardial effusion 2 cm thick located next to the right atrium and atrioventricular groove
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F1
However, in comparison to previous scans from June 2013, it revealed pericardial effusion 2 cm thick [Figure 1].
Third day echocardiographic examination - arrow points toward localized fibrin scar tissue situated on the epicardium of right atrium
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F2
There was also pericardial effusion 2 cm thick and without repercussions on the blood flow, predominantly reclining the free surface of right atrium, with fibrin scar tissue covering the epicardium (differential diagnosis - spot of previous cardiac wall perforation, spontaneously recovered) [Figure 2].
Echocardiographic examination before hospital discharge - pericardial effusion reduction
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F3
The pericardial effusion was now in regression; it was 5-6 mm thick and without repercussions on the blood flow [Figure 3].