…Infection or burns over the puncture site. Osteogenesis imperfecta and severe osteoporosis (relative). An inability to identify the landmarks. Choice of vein and cannula size…

…a fracture in the cribriform plate into the cranium Absolute Corrosive injury of the oesophagus or stomach after ingestion of a caustic substance Absolute Choanal…

…Etiologies of tension pneumothorax include: Traumatic injuries (blunt force, lacerations, gunshot wounds) Asthmatic episodes Iatrogenic events (e.g., during central venous catheter insertion) Underlying lung…

…External resources Guidelines from ASE (American Society of Echocardiography) Guidelines from ESC (European Society for Cardiology) Preparations for the examination Patients referred for echocardiography should…

…salicylate poisoning, intubation with an inadequate minute ventilation can rapidly worsen the acidaemia and increase the entry of salicylate into the central nervous system. Discuss…

…value of these techniques rests on their ability to characterize the anatomy responsible for a stenosis, define plaque morphology, identify occult lesions, and optimize percutaneous…

…stenosis or exostoses Narrow and hard to reach Ongoing otitis externa Pain, spread of infection A small or uncooperative child Movement causes injury Preparation and…

…a high risk of hypoglycaemia 8–12 mmol/L The critically ill patient in intensive care According to the local protocol Avoid tight targets in…

…the shortest catheter, while left sided and femoral insertions require longer ones — check the length in the set against the chosen side. An ultrasound machine…

…local practice Relative Skin infection, herpes zoster or burns over the puncture site Relative Mechanical ventilation with a high PEEP (an increased risk of pneumothorax…