14 träffar

ArticleLungmedicin
Acute exacerbation of COPD: quick reference

…a clinical syndromic diagnosis, not a sufficient explanation for all acute dyspnoea in a patient with COPD. Pneumonia, heart failure, pulmonary embolism, pneumothorax and acute…

ArticleCPR
Cardiac arrest due to pneumothorax

…volume of air is substantial enough to compress the superior and inferior vena cava, impeding or halting venous return to the heart. In instances of…

ArticleLungmedicin
Acute severe asthma in adults: quick reference

…plugging. Expiratory flow limitation causes air trapping and dynamic hyperinflation. The consequences are increased work of breathing, exhaustion and, in the most severe cases, hypotension…

ArticleEchocardiography
Performing Echocardiographic Examinations

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

ArticleEchocardiography
Physics of ultrasound

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

ArticleProcedurer
Arterial line

…the wrong height , and the system is incorrectly damped . Both are checked in under a minute, and both are routinely missed. The third thing to…

ArticleProcedurer
Central venous catheter

…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:…

ArticleProcedurer
Laryngeal mask and difficult airway

…completely. Relative contraindications: A high risk of aspiration: a non fasted patient, ileus, third trimester pregnancy, marked reflux. A need for high airway pressures, for…

ArticleProcedurer
Oxygen therapy

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

ArticleCardiology
Coronary CT Angiography and CAD-RADS Reporting

…at multiple angles. Tissue attenuation is expressed relative to water in Hounsfield units. Bone is highly attenuating, air has very low attenuation, and blood and…