Maroon stools are maroon-colored blood mixed with stool that is often associated with a right colonic source of bleeding; however, it can also result from a more brisk, proximal source of bleeding. [accessmedicine.mhmedical.com]

stools (16.7%) and melena (11%). [emedicine.medscape.com]

Additional key elements include a careful and thorough inspection of the anus, palpation for rectal masses, characterization of the stool color, and a stool guaiac card test to evaluate for the presence of blood. [en.wikipedia.org]

The patient re-presented to the emergency room with recurrent bleeding, anemia, and hypotension. During a period of active bleeding, a number of diagnostic studies ultimately revealed the source to be the proximal jejunum. [ncbi.nlm.nih.gov]

Tachycardia and Orthostatic Hypotension. There have been discussions in the literature about other findings to rule in/out upper GI bleeding. [mdedge.com]

View larger version (225K) Fig. 3C —85-year-old man who presented with rectal bleeding, hypotension, and tachycardia. C, Angiogram obtained after A and B shows localized bleeding (arrow) in duodenum. [ajronline.org]

Rarely, this can lead to volume overload and electrolyte abnormalities such as hyponatremia[ 37 ]. There is also the risk for aspiration, especially when the prep is rapid or the patient is at risk for aspiration. [dx.doi.org]

Complications During vasopressin infusion, monitor patients for recurrent hemorrhage, myocardial ischemia, arrhythmias, hypertension, and volume overload with hyponatremia. Nitroglycerine paste or drip can be used to overcome cardiac complications. [emedicine.medscape.com]

It was complicated with Salmonella typhi infection confirmed later from the blood culture result. [dx.doi.org]

The combination effect of both S typhi and T. trichiura led to multiple ulcerations and severe bleeding which caused hypovolemic shock. [dx.doi.org]

No ischemic change was observed in any patients in group Ia and in two patients in group Ib. Ischemic changes were observed in six group Ib patients and both group II patients. [ncbi.nlm.nih.gov]