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Maria melena

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Melena maria

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  • However, aside from the melena itself, many patients may present with few symptoms.

  • It has a characteristic tarry colour and offensive smell, and is often difficult to flush away, which is due to the alteration and degradation of blood by intestinal enzymes.

  • In this article, we shall look at the differential diagnosis, clinical features and investigations for melena.

Variceal Bleeds Oesophageal varices refer to dilations of the porto-systemic anastomoses in the oesophagus.

  • Differential Diagnosis Melena usually occurs as a result of an upper gastrointestinal bleed rarely it can be due to bleeding in the small intestine or ascending colon.

  • Once the patient is stable or initial resuscitation attempts have proved ineffective and more invasive management for resuscitation is required , an endoscopy should be arranged.

  • Only blood that originates from a more proximal source such as the , or bleeding from a lower source that occurs slowly enough to allow for enzymatic breakdown, is associated with melena.




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