Characterization of intra-arterial flow velocity within left coronary to pulmonary artery fistula.

The physiology of a coronary to pulmonary artery fistula has not been well characterized. This case report demonstrates the flow velocity pattern of a coronary fistula to the pulmonary artery, which supports the hypothesized physiology that flow is predominantly continuous without a phasic pattern. The flow velocity within a coronary fistula has not been previously demonstrated. Cathet. Cardiovasc. Diagn. 41:208–212, 1997. © 1997 Wiley-Liss, Inc.