area of cardiac dullness


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Noun1.area of cardiac dullness - a triangular area of the front of the chest (determined by percussion)area of cardiac dullness - a triangular area of the front of the chest (determined by percussion); corresponds to the part of the heart not covered by the lungs
region, area - a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
chest, pectus, thorax - the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates