.病例简介:患者,男,67岁,因严重的、持续性的呼吸困难4d就诊。患者自诉4d以来咳嗽,痰中带血,食欲减退,体重减轻。无发烧、畏寒症状,无胸痛、端坐呼吸、下肢肿胀等。无毒物接触史。既往因心动过速服用胺碘酮,无肺结核、房颤、心肌梗死、充血性心力衰竭等病史。.体格检查:呼吸26 Case description: Patient, male, 67 years old, 4 days due to severe, persistent dyspnea. Patient complained of coughing since 4 days, bloody sputum, loss of appetite, weight loss. No fever, chills symptoms, no chest pain, sitting and breathing, swelling of lower extremities. Non-toxic contact history. Previously taking amiodarone due to tachycardia, no pulmonary tuberculosis, atrial fibrillation, myocardial infarction, congestive heart failure and other medical history. Physical examination: Breathing 26