…small, smooth or transparent object lying posteriorly or superiorly. Attempts already made and failed elsewhere. A child who cannot be kept still without sedation. Suspected…

…associated with greater difficulty include a previously failed attempt, a blunt proximal stump, vessel bending, calcification and an occlusion length of at least 20 mm…

…neuromuscular blockers, and a person designated to keep time and read out the number of attempts. Laryngeal mask sizes Size Patient weight Maximum cuff volume…

…continuous slow flush. Ultrasound with a high frequency linear probe when the pulse is weak, after previous failed attempts, or in children. A rolled towel…

…because of fatal infections and high cost. Low dose methotrexate did not reduce cardiovascular outcomes, and several other agents, including pexelizumab, losmapimod and darapladib, failed…

…the adequacy of collateral circulation. Abrupt loss of flow may cause rapid deterioration when a large myocardial territory is jeopardized. Cardiovascular collapse after failed PCI…

…of a pupillary reflex upon hospital admission post cardiac arrest serves as an unfavorable prognostic indicator, its standalone utility in guiding decisions, such as termination…

…begins in parallel with the diagnostic work up. Obtain an interpretable 12 lead ECG within 10 minutes of first medical contact, attach continuous rhythm monitoring…

…lacking; the diagnosis is suspected when alternative etiologies are excluded by diagnostic testing or failed therapeutic trials. If alternative causes of cough are suspected, specific…

…symptoms and other therapies have failed. Patients with structural heart disease or reduced left ventricular function are not eligible. Effects of propafenone and flecainide on…

…of transient ischemia induce the protective effect. Some studies (including randomized clinical trials) have suggested the benefit of ischemic preconditioning, while other studies have failed…