ข้อควรระวังในการสุ่มตัวอย่างโพรงจมูก

Nasopharyngeal swabs are mainly used for nasal and throat sampling of respiratory and intestinal viruses such as influenza, ไข้หวัดหมู, โรคไข้หวัดนก, มือ, เท้าและปาก, » Swabs ไนล่อนที่ผ่านการฆ่าเชื้อแล้วทิ้งสำหรับการทดสอบ COVID-19. เมื่อใช้ผ้าเช็ดเก็บตัวอย่างโพรงจมูก, ควรให้ความสนใจกับข้อควรระวังต่อไปนี้, มิฉะนั้นจะไม่เพียงส่งผลต่อความแม่นยำของการสุ่มตัวอย่างเท่านั้น, แต่ยังทำให้ผู้รับบาดเจ็บสาหัสด้วย.

Preparation before sampling: Hand the virus sampling tube to the patient, let the patient take the virus sampling tube, inform the patient that there may be discomfort during the sampling process, and inform the sampling tube to be held vertically, let the patient concentrate on holding the sampling tube, this way The patient’s attention can be focused on the sampling tube to reduce the discomfort caused by nasopharyngeal irritation during the sampling process. Nasal swab patient is unwell, take a deep breath

Posture during sampling: Tilt the patient’s head back 70 degrees to straighten the passage between the nose and nasopharynx.

Standard sampling method: “One insertion, Two stop and Three rotations”-measure the distance from the tip of the nose to the front of the ear, half the insertion length, usually about 4 cm for adults; stay for 15-30 seconds to absorb nasopharyngeal secretions (It depends on the patient’s tolerance, the minimum stay time is not less than 3 วินาที; take out the nasopharyngeal swab around the rotating joint slowly.

เคล็ดลับ:

(1) The sampler stands on the side of the patient and asks the patient to pull down the mask to expose only the nostrils. Once the sneeze reflex occurs, the patient can be covered by the elbow or paper towel. The sampler is not directly in front of the patient, and the exposure risk is considerably lower.

(2) In many clinical patients, turbinate hypertrophy and nasal passage are narrow. When the throat swab is inserted with resistance, you can not use force rashly. You can try to change one side of the nasal cavity or directly change to oropharyngeal swab collection. People with nasal allergies can easily induce sneezing, and it is recommended to take an oropharyngeal swab.