probe patency of foramen ovale

probe patency of foramen ovale
incomplete physical closure of the foramen ovale postnatally, although functional closure occurs, so that a probe may be passed between the atria in the adult. It occurs in 20 to 25 per cent of all hearts.

Medical dictionary. 2011.

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  • patency — The state of being freely open or exposed. probe p. (of foramen ovale), a term introduced by B.M. Patten to cover incomplete fibrous adhesion of an adequate valvula foraminis ovalis in the postnatal closure of the …   Medical dictionary

  • Foramen — A natural opening. Although a foramen is usually through bone, it can be an opening through other types of tissue, as with the foramen ovale. * * * An aperture or perforation through a bone or a membranous structure. SYN: trema (1). [L. an… …   Medical dictionary

  • Cardiac output — (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1000 cm3 or 1 litre). Q is… …   Wikipedia

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