| 摘要 |
FIELD: medicine. SUBSTANCE: method involves carrying out transthoracic duplex scanning in normal state and after taking Niphedipine. Simultaneous growth of blood circulation flow rate and mammarocoronary shunt diameter being observed, mammarocoronary shunt spasm is to be diagnosed. EFFECT: high sensitivity and specificity. 7 dwg, 2 tbl |
