Quiz 1 Flashcards
Signs of gastrointestinal bleeding
Melena
Hematochezia
Hematemesis
Visible signs of bleeding
Overt
Vomitus of red blood or “coffee-ground” material
Hematemesis
Bright red blood implies
Active/Acute bleeding
Denotes that the blood has been there for some time; there has been bleeding for previous hours or days already
Coffee-ground material
Black, tarry, foul-smelling stool
Melena
Source of bleeding for melena
Upper GI before the ligament of Treitz
T/F:
Melena : Pasty consistency of stool :: With iron supplement : Dark green and formed stool
True
Bright red or maroon blood from the rectum
Hematochezia
Source of bleeding for hematochezia
After the ligament of Treitz
Signs of hematochezia
Shock
Orthostatic hypotension
Tachycardia
Cold, clammy skin
Most sensitive indicator of bleeding
Cardiac rate
Cardiac rate of patient with significant or severe GI bleeding
Tachycardic
Division of GI bleeding wherein there are no visible signs of bleeding
Occult
Clinical presentation of occult bleeding
Light-headedness
Syncope
Angina
Dyspnea
Occult GI bleeding results in:
Iron Deficiency Anemia
(+) Fecal occult blood test
GI bleeding wherein the source of bleeding is unknown despite thorough examination
Obscure
Bleeding before the ligament of Treitz
UGIB
Manifestations of UGIB
Melena
Hematemesis
In severe cases, hematochezia
Bleeding after the ligament of Treitz
LGIB
LGIB presents with
Hematochezia
Melena -uncommon
Upper and lower GI endoscopy are done, yet cannot determine bleeding site. Further investigation/examination is needed
Obscure Gastrointestinal Bleeding
Causes of melena
Bacterial degeneration
Hydrochloric Acid
Volume of blood required to manifest with melena
50-100 mL