…principal roles: Defining the anatomical distribution and severity of epicardial coronary artery disease (CAD). Assessing the haemodynamic significance of lesions whose angiographic severity is uncertain…

…never happens, and to make sure the catheter does not become the patient's next focus of infection. Indications Infusion of vesicant solutions: vasopressors, concentrated…

…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…

Procedurer Almost all the complications of pleural aspiration arise from two errors: the needle is placed in the wrong site, and too much is drained…

…animal model of haemorrhageinduced traumatic cardiac arrest. Resuscitation 2019; 140:37 42. Endo A, Kojima M, Hong ZJ, Otomo Y, Coimbra R. Open chest versus…

…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…

…between two sizes in an adult: choose the larger , since a mask that is too small leaks and gives a poorer seal. Procedure Insertion of…

…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…

…extension makes the artery harder to palpate. Procedure Catheter over needle (direct technique) 1. Palpate the course of the artery with two fingertips and note…