opening of superior vena cava
o·pen·ing of su·pe·ri·or ve·na ca·va
[TA]the point of entry of the superior vena cava into the right atrium.
Synonym(s): ostium venae cavae superioris [TA], orifice of superior vena cava
References in periodicals archive
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Moreover the area around the opening of superior vena cava should be avoided when ablation is performed in the right atrium.
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