8 results
Upper Versus Lower Motor Neuron Findings

Denervation near the target muscle fibers (lower motor neuron disease) results
Upper Versus Lower ... muscle fibers (lower ... #Upper #Lower #MotorNeuron ... #Comparison #Versus ... Findings #Diagnosis #Table
Helpful Clues for Distinguishing Upper vs. Lower GI Bleeding
Upper GI Bleed (proximal to ligament of Treitz):
Lower GI Bleeding ... Upper GI Bleed ... lavage - BUN/Cr ... intestines or ascending colon ... #comparison #versus
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed Upper ... , Radiation CMC ... #Lower #GIBleed ... diagnosis #Causes #algorithm
Lower GI Bleed - Management Algorithm

Suspected lower GI bleeding (LGIB):
 • Hematochezia 
 • Melena +
Management Algorithm ... Melena + right colon ... Unstable (Rule out upper ... GI bleed) vs Stable ... GIBleed #management #Algorithm
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
specificity for CRC ... lesions or SSLs • Colon ... Colorectal #Cancer #colon ... Screening #Tests #comparison ... #table #management
ACA Colorectal Cancer Screening Guidelines

When to Screen?
When to Stop?
Family History

Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based
specificity for CRC ... lesions or SSLs • Colon ... Colorectal #Cancer #colon ... Indications #Tests #comparison ... #table #management
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Barium Enema (Lower ... mSv 3 years - Upper ... #CT #Nuclear #Comparison ... #Table #Risks #
Occult and Lower Gastronintestinal Bleed - Differential Diagnosis Algorithm

Occult (Stool + Occult blood and/or iron deficiency
Occult and Lower ... Differential Diagnosis Algorithm ... Angiodysplasia (colon ... RULE OUT BRISK Upper ... Differential #Diagnosis #Algorithm