…sputum in particular that exceeds the patient's normal variation and requires a change of treatment. Common precipitants are viral infection, bacterial infection and air…

…Pneumothorax is characterized by the presence of free air in the thoracic cavity. While this can occasionally be benign and manifest even in healthy individuals…

…has become calm, quiet in the chest and stopped struggling may be about to stop breathing. Diminishing wheeze means improvement only if air entry, speech…

…between the heart and the ultrasound transducer, and because less air filled lung tissue covers the heart. In adults, however, the distance between the heart…

…g air, water, metal, or tissue and fluids in the human body. Sound waves arise when a sound source generates mechanical vibrations in the particles…

…air pollution, family history, ethnicity, and frailty. Primary prevention is complemented by population level interventions. Population strategies aim to shift risk across the whole community…

…of carbon dioxide in exhaled air represents the sum of ventilation, metabolic activity, and perfusion. Increased aerobic metabolism, perfusion, and ventilation result in a higher…

…an AV fistula or with planned vascular access for dialysis. Previous vascular surgery in the area. Coagulopathy and thrombolytic treatment are relative contraindications and are…

…The differences increase in severe circulatory failure and marked respiratory failure [3,4]. Question Appropriate sample : : Metabolic acidosis or alkalosis in a haemodynamically stable patient…

…controlled. Contraindications In life threatening conditions all contraindications are relative — but they govern which site is chosen. Infection, burns or trauma over the insertion site…

…air from the cuff so that it is flat with a slightly upturned leading edge, and lubricate the dorsal surface. 2. Position the head in…

…washes nitrogen out of the pleural air and speeds resorption. Other conditions in which high flow oxygen is given irrespective of the saturation according to…

…in septic shock, or when sepsis is judged certain or highly likely. With possible sepsis without shock, a rapid targeted assessment is made. If the…

…water in Hounsfield units. Bone is highly attenuating, air has very low attenuation, and blood and myocardium have intermediate values. Iodinated contrast increases the attenuation…