（4）进行下腹部检查时，嘱被评估者排空膀胱，甚至排出粪便。3．叩诊 1

(4) During the examination of the lower abdomen, instruct the assessee to empty the bladder and even excrete feces. <br>3. Percussion <br>1) Percussion methods Due to the different purposes of percussion, different percussion methods should be adopted. The commonly used percussion methods are as follows: <br>(1) Indirect percussion method: widely used in clinical practice. <br>(2) Direct percussion method: It is mainly suitable for lesions with a wide area of ​​the chest or abdomen, such as a large amount of pleural effusion or ascites.

(4) During the lower abdominal examination, the evaluated person was instructed to empty the bladder or even excrete feces.<br>3. Percussion<br>1) Percussion methods due to different purposes of percussion, different percussion methods should be adopted. There are two common percussion methods:<br>(1) Indirect percussion: it is widely used in clinic.<br>(2) Direct percussion: it is mainly suitable for lesions with a wide area of chest or abdomen, such as massive pleural effusion or ascites.

(4) During the lower abdomen examination, instruct the assessed to empty the bladder, or even discharge feces. 3. Percussion 1) Percussion methods Due to different purposes of percussion, different percussion methods should be adopted. There are two commonly used percussion methods: (1) Indirect percussion: it is widely used in clinic. (2) Direct percussion: It is mainly suitable for diseases with a wide area of chest or abdomen, such as a large amount of pleural effusion or ascites.