…the ECG machine. Lidocaine spray for the pharynx and lidocaine gel for the electrode. A glass of water with a straw, a vomit bowl, tissues…

…be established. Nasopharyngeal airways may cause complications in patients with skull fractures (risk of intracranial malposition of the tube) or coagulopathy (risk of bleeding). An…

…malapposition Stent fracture or collapse Residual edge dissection Incomplete lesion preparation Persistent stenosis within the treated segment Mechanical factors are particularly important because correction of…