transventricular valvotomy for relief of pulmonic valvar stenosis. Obsolete procedure.
Brock,Sir Russell C., English surgeon, 1903-1980.
Brock operation - transventricular valvotomy for relief of pulmonic valvar stenosis; obsolete procedure.
Brock syndrome - atelectasis with chronic pneumonitis of the middle lobe of the right lung, due to compression of the middle lobe bronchus, usually by enlarged lymph nodes, which may be tuberculous. Synonym(s): middle lobe syndrome