Mouth-to-mouth or mouth-to-nose ventilation technique

FUNDAMENTALS OF FIRST AID
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Mouth-to-mouth or mouth-to-nose ventilation technique

Fundamentals of First Aid (OPMP)

For artificial respiration it is necessary to lay the patient on his back, unfasten the clothing that constrains the chest and ensure free airway patency. If there is content in the oral cavity or pharynx, it must be quickly removed with a finger, napkin, handkerchief, or using any suction (Fig. 65).

To free the airways, the head of the victim should be pulled back. It must be remembered that excessive abduction of the head can lead to narrowing of the airways. For a more complete opening of the airways, it is necessary to push the lower jaw forward. To prevent retraction of the tongue during artificial respiration, keep the head in the allotted position with the hand, shifting the lower jaw forward.

Mouth-to-mouth or mouth-to-nose ventilation technique

Rice. 65. Exemption of the oral cavity and pharynx from foreign bodies, mucus and vomit: a - manually; b - with the help of a suction pear

When breathing "mouth-to-mouth" the victim's head is held in a certain position (Fig. 66).

Mouth-to-mouth or mouth-to-nose ventilation technique

Rice. 66. Artificial ventilation of the lungs by the "mouth-to-mouth" method: a - the position of the victim's head; b - blowing air through the mouth

The resuscitator, taking a deep breath and tightly pressing his mouth to the patient's mouth, blows air into his lungs. In this case, with the hand located at the forehead of the victim, it is necessary to pinch the nose. The exit is carried out passively, due to the elastic forces of the chest. The number of breaths per minute should be at least 16-20. Insufflation should be carried out quickly and abruptly (in children - less abruptly), so that the duration of inspiration is 2 times less than the exhalation time.

It is necessary to ensure that the exhaled air does not lead to excessive distension of the stomach. In this case, there is a danger of the release of food masses from the stomach and their entry into the bronchi. Of course, mouth-to-mouth breathing creates significant hygienic inconveniences. Direct contact with the patient's mouth can be avoided by blowing air through a gauze napkin, handkerchief or any other loose material. With this method of lung ventilation, air ducts can be used (Fig. 68).

Mouth-to-mouth or mouth-to-nose ventilation technique

Rice. 68. Artificial ventilation of the lungs through the duct

When using the mouth-to-nose breathing method air is blown in through the nose. In this case, the victim's mouth should be closed with a hand, which simultaneously shifts the jaw upward to prevent tongue retraction (Fig. 69).

Mouth-to-mouth or mouth-to-nose ventilation technique

Rice. 69. Artificial ventilation of the lungs using the "mouth-to-nose" method: a - the position of the victim's head; b - blowing air through the nose

Authors: Aizman R.I., Krivoshchekov S.G.

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