Summary We describe the management of a 62‐year‐old man who developed severe pain, cramps, paraplegia and pulmonary oedema after the accidental administration of potassium chloride into the subarachnoid space. In addition to supportive treatment, we performed cerebrospinal fluid lavage with saline 0.9%. The patient recovered well without any permanent injury.

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Introduction In the last decade, a new boom of scientific articles about retrograde intubation has been published. Case reports, applications, technique variations and comparison with other techniques reintroduce the scientific discussion of the technique, its indications, contraindications, complications and technical advances. Despite the complications and contraindications linked to retrograde intubation, its utility is incontestable in specific situations. Although the success rate of retrograde intubation is variable, some authors affirm that in the hands of those who use the technique frequently, retrograde intubation appears to have a high success rate. We believe that training in retrograde intubation would definitely be an advance that could increase the success rate of the technique as well as decrease the complications associated with it. Conclusion Recent developments are happening to enhance the retrograde intubation technique, such as the combination with laryngeal nerve block, fibre optic bronchoscopy and ultrasound guidance. During the booming phase of advances in airway management technologies, anaesthesiologists should sometimes return to the basics and learn and practice simple techniques like retrograde intubation that can save patient lives.

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