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Hematemesis is the vomiting of blood. [1] This is usually vomit that contains bright red blood. [2] Coffee ground vomiting is similar to hematemesis, but is distinct in not involving bright red blood. [3] Hematemesis must be differentiated from hemoptysis (coughing up blood) and epistaxis (nosebleed). [4] Both of these are more common conditions.
Gastrointestinal bleeding can range from small non-visible amounts, which are only detected by laboratory testing, to massive bleeding where bright red blood is passed and shock develops. Rapid bleeding may cause syncope. [18] The presence of bright red blood in stool, known as hematochezia, typically indicates lower gastrointestinal bleeding ...
Blood may be observed in vomit or in altered form as black stool. Depending on the amount of the blood loss, symptoms may include shock. Upper gastrointestinal bleeding can be caused by peptic ulcers, gastric erosions, esophageal varices, and rarer causes such as gastric cancer.
[43] [44] [45] Causes of the reduced blood flow can include changes in the systemic circulation (e.g. low blood pressure), or local factors such as constriction of blood vessels or a blood clot. In most cases, no specific cause can be identified. [46] Ischemic colitis is usually suspected on the basis of the clinical setting, physical ...
Fresh blood in the vomit is termed hematemesis ("blood vomiting"). Altered blood bears resemblance to coffee grounds (as the iron in the blood is oxidized) and, when this matter is identified, the term coffee-ground vomiting is used. Bile can enter the vomit during subsequent heaves due to duodenal contraction if the
Arsenic poisoning (or arsenicosis) is a medical condition that occurs due to elevated levels of arsenic in the body. [4] If arsenic poisoning occurs over a brief period of time, symptoms may include vomiting, abdominal pain, encephalopathy, and watery diarrhea that contains blood. [1]
The illness can be dangerous for babies and grandparents. Yes, adults can get RSV too. Here's what to know about the viral illness that's sending kids to the ICU.
The most common cause of hypovolemic shock is hemorrhage (internal or external); however, vomiting and diarrhea are more common causes in children. [9] Other causes include burns, as well as excess urine loss due to diabetic ketoacidosis and diabetes insipidus .