Criteria for Acute Upper Gastrointestinal Hemorrhage

Acute upper gastrointestinal (GI) bleeding is common and potentially life-threatening and needs a prompt assessment and aggressive medical management. All patients need to undergo endoscopy to diagnose, assess, and possibly treat any underlying lesion.

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Diagnostic Criteria of Hemorrhage in MRI of the Brain

The imaging characteristics of blood on MRI can be variable:

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