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Ultrasound B-mode of chronic pulmonary embolism. A) Fibrotic bands (B-, sub-B and X-lines, white arrowheads) and chronic infarcts (consolidations, yellow arrowheads). B) Close up at chronic infarct. Note inhomogeneity and hypoechoic pleural line (white arrowhead). C) Doppler interrogation shows high resistance, low velocity flow with diastolic reversal (white arrowheads). D) Partially organised (asterisk) hematoma in pleural cavity, due to bloody exudate in pulmonary embolism
