Although the delayed diagnosis of appendicitis is dangerous, over-testing can also be harmful. Abdominal pain is among the most common reasons children are taken to the emergency department.

Acute colonic ileus is an uncommon motility disorder of unclear pathogenesis that predominantly occurs in older patients with severe medical or surgical disease. Conservative management is the ...

Acute renal failure is caused by damage to the kidneys, which can occur as a result of blood loss, toxins, or physical damage to the kidneys. Acute renal failure occurs rapidly, causing generalized ...

This clinical classification acknowledges the central role of coronary artery disease in the pathogenesis of myocardial infarction.‘Acute myocardial injury’ is a term that clinicians are likely to ...

Dr Martin Riedel, Deutsches Herzzentrum und I. Medizinische Klinik, Technische Universität München, Lazarettstr. 36, D-80636 München, Germanym.riedel{at}dhm.mhn.de ...

Here the authors show that contemporary SARS-CoV-2 Omicron variants are evolving towards the upper respiratory tract while causing less severe disease in the lung. The more antigenically distinct ...