Spontaneous contrast visualization on the right side of the heart during echocardiography

R. Segal, R. F. Baltazar, M. M. Mower, C. Stewart

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Microbubble contrast visualization within the right heart is almost always due to intravenous injections containing microbubbles. In the absence of immediate administration of agitated solutions, several other mechanisms for the occurrence of echo contrast spontaneously in the cardiovascular system have been postulated. Often overlooked as a source of contrast are microbubbles from remotely injected solutions that persist in the circulation because of markedly delayed clearance. Two patients were observed with apparently spontaneous contrast detected in the right heart chambers, both of whom had congestive heart failure, tricuspid regurgitation, and pulmonary hypertension. Regardless of the exact mechanism involved, the finding of this phenomenon reflects the presence of right heart failure and a low flow state.

Original languageEnglish (US)
Pages (from-to)363-366
Number of pages4
JournalAmerican Journal of the Medical Sciences
Issue number6
StatePublished - 1986
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)


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