D'Amato sign

D. Amato's sign is a method of examination of pleural effusion. For patients suspected of having pleural effusion on one side, take a seat, comprehensively percussively chest and back, and smear the voiced area and mark it. Then, let it lie to the side of the healthy side, and then perform a percussion examination again, and mark the voiced area again. If the voiced area near the spine is moved or extended to the anterior area of ​​the heart when the lying position is found, it is called for this. It indicates that there is a freely moving liquid in the chest cavity, and the liquid moves forward and downward when the lateral side is lying due to the weight of the liquid and the gravity. Basic Information Specialist Category: Respiratory Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Avoid bad rest, improper diet, excessive fatigue. Normal value The normal person has 3 to 15 ml of liquid in the chest cavity, and the sound is normal when the examination is performed, and the breathing is uniform. Clinical significance Abnormal results: pleural effusion, pleural effusion with exudative pleurisy is the most common, among young and middle-aged patients, tuberculosis is particularly common. People who need to be examined: people with the above symptoms. Precautions Taboo before the examination: poor rest, improper diet, excessive fatigue. Requirements for inspection: Actively cooperate with the doctor's work. Inspection process The paralyzed patient takes a seat, the chest and back are fully percussed, and the voiced area is taken out and marked. Then, let it lie to the side of the healthy side, and then perform a percussion examination again, and mark the voiced area again. If the voiced area near the spine is moved or extended to the anterior area of ​​the heart when the lying position is found, it is called for this. It indicates that there is a freely moving liquid in the chest cavity, and the liquid moves forward and downward when the lateral side is lying due to the weight of the liquid and the gravity. Not suitable for the crowd Inappropriate crowd: no Adverse reactions and risks Nothing.