Kronig isthmus

Krö·nig isth·mus

(krā'nig), the narrow straplike portion of the resonant field that extends over the shoulder, connecting the larger areas of resonance over the pulmonary apex in front and behind.

Krönig,

Georg, German physician, 1856-1911. Krönig isthmus - the narrow straplike portion of the resonant field that extends over the shoulder, connecting the larger areas of resonance over the pulmonary apex in front and behind.Krönig steps - extension of the lower part of the right border of absolute cardiac dullness in hypertrophy of the right heart.