Hematemesis

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| Hematemesis | |
|---|---|
| File:Hiatus hernia on CT scan.jpg | |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Vomiting of blood |
| Complications | Hypovolemic shock, anemia |
| Onset | Sudden |
| Duration | Variable |
| Types | N/A |
| Causes | Peptic ulcer disease, esophageal varices, gastritis, Mallory-Weiss tear, esophageal cancer |
| Risks | Alcohol use disorder, liver cirrhosis, NSAID use |
| Diagnosis | Endoscopy, blood tests, imaging |
| Differential diagnosis | Hemoptysis, epistaxis, melena |
| Prevention | N/A |
| Treatment | Intravenous fluids, blood transfusion, endoscopic therapy, proton pump inhibitors |
| Medication | Proton pump inhibitors, vasopressin, octreotide |
| Prognosis | Depends on cause and severity |
| Frequency | Common |
| Deaths | N/A |
Hematemesis refers to the vomiting of blood, a serious symptom that can indicate a variety of underlying health conditions. It involves the expulsion of blood from the upper gastrointestinal (GI) tract, which may appear bright red or have a coffee-ground appearance due to partial digestion by stomach acids.
Causes[edit]
Hematemesis can result from several conditions, including:
- Peptic ulcers: Open sores on the inner lining of the stomach or upper small intestine.
- Gastritis: Inflammation of the stomach lining.
- Esophageal varices: Swollen veins in the lower part of the esophagus, often associated with liver disease.
- Mallory-Weiss tear: A tear in the mucous membrane at the junction of the stomach and esophagus, typically caused by severe vomiting.
- Gastrointestinal bleeding: Bleeding anywhere along the gastrointestinal tract.
Symptoms[edit]
Besides the presence of blood in vomit, symptoms accompanying hematemesis may include:
- Dizziness and fainting
- Abdominal pain
- Shortness of breath
- Paleness
- Rapid heart rate
Diagnosis[edit]
Diagnosing the cause of hematemesis involves a series of tests, including:
- Blood tests to assess overall health and clotting function.
- Endoscopy to visually examine the upper GI tract for sources of bleeding.
- Imaging tests, such as CT scans or X-rays, to identify internal bleeding.
Treatment[edit]
Treatment for hematemesis focuses on stopping the bleeding and addressing the underlying cause. This may involve:
- Medications to reduce stomach acid and protect the GI tract.
- Endoscopic therapies to control bleeding, such as banding or sclerotherapy for esophageal varices.
- Surgery in severe cases to repair the source of bleeding.
Complications[edit]
If not treated promptly, hematemesis can lead to significant blood loss, leading to anemia, shock, or even death.
Prevention[edit]
Preventive measures depend on the underlying cause but may include managing chronic conditions, avoiding nonsteroidal anti-inflammatory drugs (NSAIDs), and reducing alcohol consumption.
See Also[edit]
External Links[edit]
- Mayo Clinic - Vomiting Blood
- National Institute of Diabetes and Digestive and Kidney Diseases - Gastrointestinal Bleeding