…31, 35, 40 or 50 % Gives a fixed, known FiO2 independently of the patient's breathing pattern. The first choice where there is a risk…

…pulmonic) stenosis Pulmonary stenosis is virtually always a consequence of congenital heart disease. The stenosis can be fixed or dynamic, depending on the underlying etiology…

…age, height and ethnicity — not against absolute figures. Since 2022 the z score with a lower limit of normal at z = −1.64 (the…

…is given. The serious incidents almost always arise when the principle of titration is abandoned — when a fixed dose is given without assessment, when a…

…C reduction versus placebo Monotherapy 23% Added to background statin therapy 18% Fixed dose combination with ezetimibe 38% Pooled analyses across different background therapies 17…

…an apparent angiographic narrowing. The narrowing generally improves or disappears during diastole, distinguishing myocardial bridging from a fixed coronary stenosis. However, intravascular ultrasound has shown…

…ventricular tachyarrhythmia—rather than embolization itself. A thrombus may be: Mural: flattened, fixed, and closely adherent to the endocardial surface. Protruding or mobile: extending into…

…wall motion abnormality (RWMA) during stress. A fixed abnormality that remains unchanged with stress generally indicates previous infarction. Extensive ischaemia may produce a reduction in…

…of underlying coronary artery disease (CAD) and structural cardiac abnormalities. Mechanisms involving reduced myocardial perfusion include fixed coronary atherosclerosis without plaque rupture, coronary artery spasm…

…the pads lowers defibrillation thresholds and improves success, and maximum fixed energy shocks outperform low escalating energy protocols. Note that while cardioversion restores sinus rhythm…