…acute coronary syndrome or guide percutaneous coronary intervention (PCI). ICA therefore has three principal roles: Defining the anatomical distribution and severity of epicardial coronary artery…

…Subclavian vein Most comfortable for the patient, the most stable dressing, lowest risk of infection and thrombosis with prolonged dwell time Highest risk of pneumothorax…

…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…

…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…

…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…

…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…

…first. Procedure Choice of insertion site The left lower quadrant is the first choice : the abdominal wall is thinner there than on the right, and…

…larger , since a mask that is too small leaks and gives a poorer seal. Procedure Insertion of the laryngeal mask 1. Check the mask, remove…

…mouthful of water and hold it. Advance the electrode at the very moment the patient swallows — the pharyngeal muscles then guide the tip into the…

…aortic balloon pump. Assessment of stroke volume variation as part of fluid management. Contraindications Infection, burn or trauma over the insertion site. Insufficient collateral circulation…