Inhalation Anesthesia Prof. Liu Jin yyds

Tracheal intubation required to preserve spontaneous breathing (muscle relaxants should not be used)

①Esophagotracheal fistula

② Bronchial rupture: During spontaneous breathing, the inside of the fistula (fissure) is negative pressure, outside the mouth is 0, and the alveoli is a larger negative pressure, which can ensure alveolar ventilation
.

③ Mediastinal tumors that severely compress the heart vessels and respiratory tract
.

④Severe diaphragmatic hernia is also a similar problem, and the compression during positive pressure ventilation greatly exceeds that of spontaneous breathing
.

Sevoflurane inhalation induction

Two-step assessment of positive pressure ventilation

① Gradually increase the concentration of inhaled sevoflurane;

②Induce sleep under anesthesia and keep spontaneous breathing;

③ Implement positive pressure mask ventilation during exhalation;

④ Closely observe changes in ventilation, airway pressure, blood pressure, heart rate, CVP or TTE;

⑤ For those who can tolerate it safely, deepen anesthesia and short-acting muscle relaxants
.

Supplemental Crisis Resources

malignant hyperthermia

One hot one tight carbon dioxide high

Stop inhaling dantrolene to cool down, give oxygen, correct acid and resist hyperkalemia

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