5: Upper GI Bleed Flashcards
Location cutoff for Upper vs lower GIB
Upper: proximal to ligament of Treitz
Most common cause of acute UGIB
PUD
Hematochezia
Bright red blood per rectum
Three major signs of hypovolemia
- Resting tachy
- Orthostatic hypotension
- Supine hypotension
What does the BUN/creatinine ratio do in UGIB?
BUN increases -> BUN/cream ratio increases to 30:1 ish
How much should Hb rise for every unit of transfused RBCs
1 g / dL
Other name for stress ulcers
Stress related mucosal disease (SRMD)
Two types of stress ulcers and explain
- Curling’s ulcers: peptic ulcer in pt with extensive burns
2. Cushing’s ulcers: peptic ulcer from severe brain injury or with other CNS lesions
Four factors that increase bleeding risk in pts with esophageal varices
- Size of varices larger than 5mm
- Red wale markings at endoscopy (dilated venules)
- Severity of liver disease
- Active alcohol abuse
Four things to draw labs on in pts with Zollinger-Ellison to excluded MEN1 disease
- Serum PTH
- Prolactin
- LH-FSH
- GH
Subcutaneous emphysema
Air in tissues, typically detected in neck or precordial area
Hamman’s sign
Crunching, rasping sound synchronous with heartbeat heard over precordium dueling systole