Читать книгу Manual of Equine Anesthesia and Analgesia - Группа авторов - Страница 250

 The tube will advance easily (unless it is too large) if it is in the trachea. If the trachea is held gently in the free hand, the movement of the tube along the tracheal rings can be perceived.

 Gentle compression on the thoracic wall will force air out through a correctly placed tube. However, this is usually unnecessary.Figure 4.8 Intubation of a horse in sternal recumbency if there is a risk of regurgitation and subsequent aspiration of stomach contents.

 Esophageal placement of the tube is easily detected, as the tube does not advance easily and will recoil slightly if the driving hand is removed.The esophagus is a “potential space” and will not be dilated in the normal state; hence, the slight resistance to advancing the tube.