What Problems Should be Avoided During the Collection Process?

Author:munkfoam 2020-12-19 17:41:30 280 0 0

1. Remove old dressings and necrotic tissue remaining on the wound

Prior to collection of wound secretion culture swabs, all dressings, gauze and other materials should be removed. Any dry exudate or necrotic tissue should also be gently removed from the wound with warm saline. Although some clinicians believe that leaving some residue on the wound will increase the chance of the infected organism recovering, it also increases the possibility of infection.

2. Dry swabs on dry wounds

Dry wound samples should always be taken with a swab dipped in sterile saline solution. When using a dry swab, the chance of collecting any organism is very small.

3. Wipe only one area

When sampling, it is important that the swab depict the wound thoroughly, usually requiring a ten-point collection method. Different organisms located in different parts of the wound may interact and react in the patient, or the patient may have two different infections that require multiple treatments.

4. Complete paperwork a few hours after the end of the procedure

It is key to complete all documents immediately after taking the swab. You will be more likely to remember certain things about the wound (discoloration, temperature) and the patient (temperament, any other symptoms), which can better inform the test.

What is the key to nucleic acid test specimen collection?

Whether collecting nasopharyngeal swabs or oropharyngeal swabs, the collection depth is the key. The collection of nasopharyngeal swabs does not reach the deep nasal cavity, etc. Most of the cells that may be collected are virus-free cells, which may cause "False negative".

First look at the difference in anatomical structure of the nasopharynx and oropharynx?

Anatomical structure: The nasal cavity, oral cavity and larynx are divided into three parts: nasopharynx, oropharynx and upper, middle and lower parts of the laryngo-pharynx. The nasopharynx is higher.

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