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Nueva prueba de coronavirus: muestreo de hisopo nasal u oral

2020-09-17

en febrero 5, 2020, the General Office of the National Health Commission officially issued the Notice on Printing and Distributing the Diagnosis and Treatment Plan of Pneumonia Infection in novel coronavirus (Trial 5), which mentioned that novel coronavirus nucleic acid can be detected in nasopharyngeal swab, esputo, lower respiratory tract secretion, sangre, heces y otros especímenes. So how to sample nasal swab or oral swab correctly?

1. Método de muestreo de hisopo de garganta.: The accuracy of throat swab detection is relatively high. This detection method mainly detects the bacteria in the throat of patients. If the test result is positive, it means that they are infected with virus. When the human body is in a healthy condition, there are many normal oral flora in the throat, which will not contain pathogenic bacteria. If the immunity of the human body declines, the pathogenic bacteria will lead to human infection. En este momento, collecting the bacteria in the throat of the patient can determine the health status of the patient. Por supuesto, there may be false negatives, which are mainly caused by fewer bacteria in the oral cavity at the early stage of infection, or because pathogenic bacteria have invaded the lower respiratory tract. In order to ensure the accuracy of detection, blood tests can be taken.(recomendado)

(1) para ayudar a los pacientes a adoptar una postura adecuada, enjuagar con agua; (2) Pida al paciente que incline ligeramente la cabeza., abre la boca y hace un “ah” sonido, y limpie rápidamente los dos arcos palatinos, faringe y amígdalas; (3) Sumerja el cabezal del hisopo de algodón en la solución de muestreo., Póngase en contacto con la pared de la tubería varias veces para mantener la mayor cantidad de muestras posible en la solución de muestreo., desechar el hisopo de algodón, sujetar la cola, y cerrar el enchufe.

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2. Sampling method of nasal swab:

(1) fully soak the swab in the sampling liquid, lift the swab away from the liquid surface, and repeatedly squeeze it on the pipe wall several times; (2) Deje que la cabeza del paciente se relaje de forma natural, slowly rotate the swab against the nostril wall, make it enter the patient’s first nostril to the nose and palate, and then take it out slowly while wiping and rotating. Wipe the other nostril with the same swab in the same way; (3) Put the nose swab into the sampling tube where the throat swab has been collected, contact the head of the swab with the tube wall several times to keep as many samples as possible in the sampling solution, desechar el hisopo, pinch the tail and tighten the plug.

 

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