…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…

…the more patent one. Ask the patient about a previous nasal fracture or unilateral nasal obstruction. 2. Measure the depth of insertion by laying the…

…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…

…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…

…many times the flow of a fine needle, and collapsed veins mean that the fine needle is in addition the only one that will go…

…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…

…and a warm, well perfused hand carry more weight. Choice of vessel The radial artery is the first choice : superficial, easy to compress, with a…