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Journal of Medical Ultrasonics

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1992 - Vol.19

Vol.19 No.10

Case Report(症例報告)

(0699 - 0704)


Intrapericardial Fluid Flow Detected by Color Doppler Echocardiography: Report of A Case with Acute Pericarditis

大櫛 日出郷1, 奥本 哲生1, 猪井 順也2, 大脇 嶺3, 西村 直己3, 山本 克人3, 大木 崇4

Hidesato OKUSHI1, Tetsuo OKUMOTO1, Junya INOI2, Takane OOWAKI3, Naoki NISHIMURA3, Katsuto YAMAMOTO3, Takashi OKI4

1土佐市民病院内科, 2国立高知病院内科, 3高知市民病院循環器科, 4徳島大学医学部第二内科

1Department of Internal Medicine, Tosa City Hospital, 2Department of Internal Medicine, Kochi National Hospital, 3Cardiovascular Division, Kochi City Hospital, 4The Second Department of Internal Medicine, Tokushima University, School of Medicine

キーワード : Acute pericarditis, Pericardial fluid flow, Color Doppler echocardiography

A 58-year-old man with acute pericarditis was reported in which pericardial fluid flow detected by color Doppler echocardiography. In the acute phase with pericardial effusion, the flow of pericardial fluid indicated the red color signal toward the apex at systole, and the blue color signal toward the annulus at early diastole. After six months, however, there was no color flow signal with the disappearance of the pericardial effusion. This signal of pericardial fluid flow needed to be differentiated from that of the intrapericardial blood flow due to cardiac rupture after acute myocardial infarction or aortic dissection. It is suggested that the echo source of the pericardial fluid flow was blood cell components or fibrous strands exuded from the pericardium, and that the flow was produced by uneven intrapericardial pressure due to pericardial adhesion or the mechanical effect of the beating heart.