Laboratory diagnosis of gastrointestinal bleeding

Laboratory diagnosis of gastrointestinal bleeding.

The value of four tests to detect occult alimentary blood loss has been compared in normal subjects, in patients with and without alimentary disease, and in patients with congestive heart failure, and the sensitivities of these tests have been compared using suspensions of blood alone and blood in faeces. The Occultest proved almost as sensitive as did the benzidine test in the detection of fae...

Diagnosis of Obscure Gastrointestinal Bleeding

Obscure gastrointestinal bleeding (OGIB) is defined as gastrointestinal bleeding from a source that cannot be identified on upper or lower gastrointestinal endoscopy. OGIB is considered an important indication for capsule endoscopy (CE). CE is particularly useful for the detection of vascular and small ulcerative lesions, conditions frequently associated with OGIB, particularly in Western count...

Diagnosis and management of gastrointestinal bleeding.

Acute Gastrointestinal Tract Bleeding – Diagnosis and Intervention

Upper GI bleeding, defined as bleeding proximal to the ligament of Treitz and accounts for ~70% of all acute GI bleeding. Common aetiologies include erosion or ulcer, variceal bleeding and Mallory-Weiss tear. The diagnosis of upper GI bleeding is usually made on clinical grounds based on the history of haematemesis and malaena although rapid upper GI bleeding may also present with rectal bleedi...

Point of Care Ultrasound Diagnosis of Upper Gastrointestinal Bleeding

A 28-year-old male was brought to the emergency department by the Emergency medical services (EMS) after being found unconscious and unresponsive. Upon arrival, he was hypotensive, intubated with a Glasgow Coma Scale (GCS) 3T, without the signs of trauma or the evidence of bleeding. A focused assessment with sonography in trauma (FAST), point-of-care ultrasound (POCUS) was performed, obscuring ...