Cholecystitis McCoy and colleagues. Blockage of the cystic duct by a gallstone causes a buildup of bile in the gallbladder and increased pressure within the gallbladder. Concentrated bile, pressure, and sometimes bacterial infection irritate and damage the gallbladder wall, causing inflammation and swelling of the gallbladder. Inflammation and swelling of the gallbladder can reduce normal blood flow to areas of the gallbladder, which can lead to cell death due to inadequate oxygen. The diagnosis of cholecystitis is suggested by the history (abdominal pain, nausea, vomiting, fever) and physical examinations in addition to laboratory and ultrasonographic testing. Boas's sign which is pain
What Is History? What Is History? What Is History? is a study that was written by the English historian E. H. Carr. It was first published by Cambridge University Press in 1961. It discusses history, facts, the bias of historians, science, morality, individuals and society, and moral judgements in history. The book was originally part of a series of G. M. Trevelyan lectures given by Carr in 1961 at the University of Cambridge. The lectures were intended as a broad introduction into the subject of the theory of history. Some of Carr's ideas are contentious, particularly his alleged relativism and his rejection of