Pinch your nose and close your mouth

The pinch nose is also called Valsavafa. It is to press the two noses to the nasal septum by the patient's fingers, close the mouth and exhale at the same time. The air can enter the eustachian tube without any other passages. At this time, the tympanic membrane suddenly bulges outward, and the examiner listens from the auscultation tube. The vibration of the tympanic membrane. The vibration of the tympanic membrane cannot be heard from the auscultation tube, or the tympanic membrane cannot be seen to move outward. It is suspected that there is a problem. Basic Information Specialist classification: otolaryngology examination classification: physical examination Applicable gender: whether men and women apply fasting: not fasting Tips: Be careful not to let your nose hurt. When there are pus or sputum in the nasal cavity or nasopharynx, it should be removed in time. Nose bleeding, nasal or nasopharynx with pus, ulcers, new organisms, acute infection of the upper respiratory tract is not suitable for this examination. Normal value The vibration of the tympanic membrane is heard from the auscultation tube, or the tympanic membrane can be seen to move outward. Clinical significance Abnormal results: The vibration of the tympanic membrane cannot be heard from the auscultation tube, or the tympanic membrane cannot be seen to move outward. Need to check the crowd of eustachian tube stenosis. Precautions Taboo before the test: pay attention to rest and do not let the nose hurt. Contraindications during examination: When there are pus or sputum in the nasal cavity or nasopharynx, it should be removed in time. Inspection process The subject pressed the two noses to the nasal septum with his fingers, closed his mouth, and exhaled at the same time. Not suitable for the crowd Unsuitable for people: nosebleeds, pus, ulcers, new organisms in the nose or nasopharynx, acute infection in the upper respiratory tract.