Intranasal lidocaine sphenopalatine block: a case of unanswered questions versus unquestioned answers

To the Editor We truly enjoyed reading Dr Narouze’s daring discourse, Topical intranasal lidocaine is not a sphenopalatine ganglion block,[1][1] that attempted to reject the hypothesis that a sphenopalatine ganglion (SPG) block cannot be achieved via intranasal lidocaine administration. In our