Heiman sign

Hamman's sign is one of the signs of mediastinal emphysema. Due to the heart attack and the mediastinum of the emphysema, the auscultation can be heard as a kind of ploughed tooth-like or Yi-like sound. This tone is more easily heard at the apex of the apex, at the lower end of the sternum or at the lower left edge of the sternum, especially when sitting, standing upright, or lying in the left lateral position. The patient was seated, upright, left lateral, apex, lower sternum or lower left sternum auscultated. Judging by the sound heard. Basic Information Specialist Category: Respiratory Examination Category: Other Inspections Applicable gender: whether men and women apply fasting: not fasting Tips: Pay attention to rest and diet before the test to prevent excessive fatigue. Normal value At the time of auscultation, there is no ploughing or squeaky sound on the left rim of the apex, the lower sternum or the lower end of the sternum. Clinical significance Abnormal results: mediastinal emphysema, rolling tooth or yaw-like sound. People who need to be examined: people with abnormal chest. Precautions Taboo before the examination: poor rest, improper diet, excessive fatigue. Requirements for inspection: The inspected person takes a sitting position or a lying position, and the micro-opening mouth calmly and evenly breathes. The examiner starts auscultation from the tip of the lung. The order of auscultation is from top to bottom, from the front chest to the side chest, and then the back, and the left and right sides should be contrasted. If necessary, the inspected person may take a deep breath or cough a few times and then auscultate to identify the nature of the auscultation sound. Inspection process The patient was seated, upright, left lateral, apex, lower sternum or lower left sternum auscultated. Judging by the sound heard. Not suitable for the crowd Inappropriate crowd: None. Adverse reactions and risks Nothing.

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