Figure 1 – Schematic of a nerve synapseii
Breast-feeding, Porphyria, myotonic dystrophy
Contra-indicated if the anaesthetist is not confident of being able to maintain the airway (e.g. in the presence of a tumour in the pharynx or larynx). Extreme care is required in surgery of the mouth, pharynx, or larynx and in patients with acute circulatory failure (shock) or fixed cardiac output.