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Use nasopharyngeal swabs correctly

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Use nasopharyngeal swabs correctly

It’s winter, and the new coronavirus has been discovered bit by bit in some areas. Recently, China has provided free nucleic acid tests to all workers who are exposed to freezing, and they are tested once a week. Moreover, many cities have carried out large-scale nucleic acid testing and the demand for nasopharyngeal swab sampling and inspection has increased significantly.

Nasopharyngeal swab sampling is actually a very common clinical work. Some friends may think whether nasopharyngeal swabs were performed after the outbreak of the epidemic. In fact, they are not. Nasopharyngeal swabs existed before. It is of great significance to the diagnosis of respiratory tract infection, and there are many influencing factors in the sampling process. If the operation is not standardized, it will directly affect the inspection results and even lead to misdiagnosis. Moreover, if the operation is not standardized, the medical staff will be exposed to the risk of infection.

Are you curious about the circumstances under which a nasopharyngeal swab cannot be done? In fact, nasopharyngeal swabs can generally be done, but if the patient has a recent nasal trauma or a history of surgery, or a significant deviation of the nasal cavity, or a history of chronic rhinitis and severe coagulopathy, clinicians should be careful at this time Clicked. Patients can be advised to use an oropharyngeal swab (nucleic acid test only)

Nasopharyngeal swabs are made of special plastic or metal with a long and flexible long handle. The top is made of polyester fiber, rayon and molded nylon.

Before starting work, please make sure that all sampling tubes are labeled, and fill out the corresponding application form before starting sampling.

Before collecting specimens, ask the patient to take off the mask and blow his nose with a tissue to remove unnecessary secretions in the nasal cavity.

Take the swab out of the bag, tilt the patient’s head back a bit so that the swab can pass through the nose, if you encounter resistance, you have to go back, change the angle, and re-enter.

The insertion depth of the swab should be equal to the distance from the nostril to the outer opening of the ear. CDC recommends that the swab be placed in the deep part of the nasopharynx for a few seconds so that the upper part of the swab can absorb the secretions, and then slowly take it out while selecting the cotton swab.

Put the sampled swab into the virus sampling tube, break the tail of the swab growing out of the virus sampling tube at the break and discard it, tighten the tube cap, and put it in a biosafety bag.

Use nasopharyngeal swabs correctly

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