矽肺患者合并肺气肿与否及其严重程度是判断其代偿机能和享受劳保待遇的主要依据,目前常用的肺气肿X线诊断指征存在一定的缺点,往往需佐以肺通气功能和残气量测定来综合评价,而后者尚未普及,测定结果不仅受被试者合作程度的影响,而且有一定痛苦,所以X线检查对肺气肿的诊断仍有进一步探讨的必要。本文提出X线下测量深呼气 Whether or not the patients with silicosis complicated with emphysema and their severity is the main basis for judging their compensatory function and enjoying labor protection. At present, the common indications of emphysema X-ray diagnosis have some shortcomings, often accompanied by pulmonary ventilation and Residues measured to comprehensive evaluation, while the latter has not yet spread, the test results are not only affected by the degree of cooperation of the subject, but also some pain, so the diagnosis of emphysema X-ray examination is still necessary to further explore. This paper proposes a deep breath measurement under the X-ray