PMC3420555_01
(a) TEE image showing four-chamber view with widely dilated right atrium and right ventricle that are filled with thrombi (indicated by arrows), (b) TEE image showing the patent foramen ovale that was created because of increased intra-atrial pressure in the right atrium (indicated by arrows).
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fig1
Another large thrombus was noted in the right ventricle (RV), which extended to the pulmonary artery (Figure 1). 
Platelet count trend in correlation to various events in the clinical history.
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fig2
Review of the patient's medical records, from the referring hospital, revealed a significant decrease of his platelet count (from 213,000 x 109/L to 95,000 x 109/L) three days following the heparin administration (Figure 2). Two days later, his platelet count decreased (Figure 2), and another ELISA test and C14-serotinin release (SRA) assay for PF4-heparin antibodies were performed. The platelet count rose to about 150,000 x 109/L in four days (Figure 2).