…physical inactivity, and alcohol consumption. Additional considerations include psychosocial stress, obstructive sleep apnoea, social determinants of health, air pollution, family history, ethnicity, and frailty. Primary…

…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…

…back to the lungs where it is exhaled. The final partial pressure of carbon dioxide in exhaled air represents the sum of ventilation, metabolic activity…

…through vacuum, sound waves can only propagate through a physical medium. This medium may consist of any matter, e.g air, water, metal, or tissue…

…extensive subcutaneous fat require harder pressure. Orientation index marker All ultrasound transducers have an index marker, which is used for orienting in the ultrasound image…

…Conditions in which blood pressure must be kept within narrow limits: aortic dissection, intracerebral haemorrhage, after cardiac arrest. Repeated blood gases, for example during mechanical…

…probe cover and sterile gel. Chlorhexidine in alcohol 5 mg/mL for skin disinfection. Allow it to air dry completely before puncture. Maximal barrier precautions:…

…third trimester pregnancy, marked reflux. A need for high airway pressures, for example severe ARDS, marked obesity or a stiff chest wall. Glottic or subglottic…

…be prescribed as one: with an indication, a route of administration and a target range for the saturation . What usually goes wrong is not that…

…oxygen requirement, a saturation below 93 per cent on air, or a falling PaO2 Circulation A systolic blood pressure of 100 mmHg or less, a…