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Gastroenterology. Pneumoperitoneum is pneumatosis (abnormal presence of air or other gas) in the peritoneal cavity, a potential space within the abdominal cavity. The most common cause is a perforated abdominal organ, generally from a perforated peptic ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or abdominal ...
Pneumomediastinum (from Greek pneuma – "air", also known as mediastinal emphysema) [ 1] is pneumatosis (abnormal presence of air or other gas) in the mediastinum, the central part of the chest cavity. First described in 1819 by René Laennec, [ 2][ 3] the condition can result from physical trauma or other situations that lead to air escaping ...
a variety of causes; most commonly due to buildup of gas in the stomach, small intestine, or colon. Abdominal distension occurs when substances, such as air (gas) or fluid, accumulate in the abdomen causing its expansion. [ 1] It is typically a symptom of an underlying disease or dysfunction in the body, rather than an illness in its own right.
Cupola sign. The cupola sign is seen on a supine chest or abdominal radiograph in the presence of pneumoperitoneum . It refers to dependent air that rises within the abdominal cavity of the supine patient to accumulate underneath the central tendon of the diaphragm in the midline. It is seen as lucency overlying the lower thoracic vertebral bodies.
Apnea, BrE: apnoea, [ 1] is the temporary cessation of breathing. During apnea, there is no movement of the muscles of inhalation, [citation needed] and the volume of the lungs initially remains unchanged. Depending on how blocked the airways are ( patency ), there may or may not be a flow of gas between the lungs and the environment.
Frequency. >50% of people with cirrhosis [ 4] Ascites ( / əˈsaɪtiz /; [ 5] Greek: ἀσκός, romanized : askos, meaning "bag" or "sac" [ 6]) is the abnormal build-up of fluid in the abdomen. [ 1] Technically, it is more than 25 ml of fluid in the peritoneal cavity, although volumes greater than one liter may occur. [ 4]
Stedman's Medical Dictionary is a medical dictionary developed for medical students, physicians, researchers, and medical language specialists. Entries include medical terms, abbreviations, acronyms, measurements, and more. Pronunciation and word etymology (showing mostly Latin and Greek prefixes and roots) are provided with most definitions.
Anatomical terminology is a form of scientific terminology used by anatomists, zoologists, and health professionals such as doctors, physicians, and pharmacists . Anatomical terminology uses many unique terms, suffixes, and prefixes deriving from Ancient Greek and Latin. These terms can be confusing to those unfamiliar with them, but can be ...