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Examination of heces: types, what it is for and how to carry it out

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The heces exam can be requested by the doctor to evaluate your digestive functions, the amount of fat in the heces or to verify the presence of huevos of parasites, being useful to know how the health of the individual is.

The collection of 2 or 3 samples on different days can be recommended, each sample must be stored in a specific container and kept in the refrigerator.

It is important that the person is guided by a doctor on the collection of the sample, if it must be a single sample or several, and if after obtaining them they take them to the laboratory for its analysis or to keep it in the refrigerator to deliver it the next day. In the case of the examination of parasitology and in the search of blood hidden in the heces, they can be kept in the refrigerator for a period of 24 hours.



Types of heces exams

There are several types of exams that can be requested by the doctor in order to meet the objective. The minimum amount of heces depends on the recommendation of the laboratory and the examination carried out. Normally, large amounts of heces are not necessary, only the one that can be obtained with the help of the palette is usually read by the person along with the recipient.

The main exams of heces that can be requested are:

1. Macroscopic examination of las heces

This exam consists of carrying out the macroscopic observation of the heces, and you can decide, at a glance, with the objective of evaluating the color and the consistency of these, which is directly related to the amount of water ingested during the day and the possibility of infection. Therefore, from acuerdo a la consistencia de las heces, the best complementary exam can be suggested to be analyzed.

2. Parasitological examination of heces

By means of this exam, the search for cysts or huevos of parasites is carried out, being useful to identify intestinal parasites. In this case, it is not possible to use laxatives or suppositories before collecting the sample of heces, and the container must be kept in the refrigerator.



3. Coprocultivation

This exam is not required to identify the bacteria present in the cells, and it is possible to confirm the health of the intestine from the moment when the presence of bacteria that are not part of the normal microbiota is identified.

The heces must be placed in a suitable container and sent to the laboratory within a maximum of 24 hours, laxatives must not be used and the container with the heces must be kept in the refrigerator. Find out more about how coprocultivation is carried out.

4. Exam to look for hidden blood

The hidden blood search is indicated for the screening of colon cancer, intestinal cancer and possible bleeding in the digestive system, and it serves to evaluate the small amounts of blood that could be present in them and that could not be be seen at a glance.

For the realization of this exam, they must be sent to the laboratory in the maximum place of the next day, conserving them in the freezer. It is recommended to avoid obtaining the sample of blood in case of anal, nasal or bleeding at the time of cepillarse, since in this case it may have drawn blood, which may interfere with the results.

5. Search for rotavirus

This exam has as main objective to investigate the presence of rotavirus in the heces, which is the virus responsible for causing intestinal infection, mainly in children, and that leads to the development of liquid heces, diarrhea and vomiting. Learn more about rotavirus infection.

The heces, preferably when they are liquid, must be collected at any time of the day and taken to the laboratory within a maximum of 1 hour with the aim of identifying the rotavirus and, therefore, starting the treatment as soon as possible to avoid complications.

what is it for

The heces exam can be requested as a routine exam or be indicated with the objective of investigating the causes of intestinal alterations, being mainly requested by the doctor when the person presents signs and symptoms of parasites, such as abdominal pain, diarrhea, presence of blood en las heces o estreñimiento. Know other symptoms of infection by parasites.

In addition, the examination of heces can also be requested to investigate the cause of possible bleeding in the digestive system and diarrhea in children, which is usually associated with a virus infection.

In this way, the analysis of the heces can be recommended to evaluate if there is evidence of parasites, such as huevos, cysts or bacteria, and in this way, if it is possible to confirm the diagnosis and initiate the appropriate treatment.

How to collect the heces

The collection of las heces must be carried out with great care so that they do not become contaminated with the orina or the odorless water. Why to take the sample is necessary:

  1. Evacuate in a toilet, in a white paper or newspaper room, placed on the bathroom floor;
  2. Collect a well of heces with a palette (which comes together with the pot) and place it inside the flask;
  3. Write the complete name in the bottle and store in the refrigerator for a maximum of 24 hours until it can be taken to the laboratory.

The procedure is simple and it is the same for adults, children and babies. In the event that the patient uses pans, the collection must be carried out just after the evacuation.

Another way to collect them more easily is to buy a kind of sterilized plastic bag that checks the toilet and can evacuate as you normally would. This bag does not allow contamination with the water present in the odorless and facilitates the collection of the heces, being very useful for people with reduced mobility and who cannot remain crouched to evacuate in the toilet or in a paper bag, for example.

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Consult a Doctor | Translated by User2937

Content for educational purposes only

The translator user relied on the following text:

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Disclaimer – (English version>) This content has been prepared based on information from research, additional publications, or the translation/verification work of a volunteer editor of this web council. This is a non-profit service. It is strongly recommended that all details and information published be carefully verified. We never allow medication recommendations, medication package inserts or any medication guidance. We never allow partisan politics as information.

Isenção de responsabilidade – (versão em português): Este conteúdo foi preparado com base em informações de pesquisas, publicações adicionais ou no trabalho de tradução/verificação de um editor voluntário deste conselho web. Este é um serviço sem fins lucrativos. É altamente recomendável que todos os detalhes e informações publicadas sejam verificadas cuidadosamente. Nunca permitimos recomendações de medicamentos, bulas ou qualquer orientação sobre medicamentos. Nunca permitimos a política partidária como base para checagem. Para mais informações, leia nossos termos.

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