10 results
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Infectious colitis, UC/Chrons ... (IBD), Radiation ... #Lower #GIBleed ... #differential # ... diagnosis #Causes
Lower GI Bleed - Differential Diagnosis Framework
Structural:
 - Diverticulosis
 - Post-Polypectomy Bleeding
 - Hemorrhoids
 - Polyps
Differential Diagnosis ... Ischemic Colitis - IBD ... SCVMCMed #Lower #GIBleed ... #LGIB #Differential ... #Diagnosis #gastroenterology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... HRCT #ChestCT #Differential
Montreal Classification of Crohn's Disease
Age at diagnosis (A1-A3):
   A1: < 16 yo
Classification of Crohn's ... Disease Age at diagnosis ... ileocolonic L4: upper ... #Disease #ibd # ... diagnosis #gastroenterology
Forrest Classification of Upper GI Bleeding
Acute Hemorrhage
  Ia - Active Spurting, Re-bleeding Risk 60-100%
Risk 60-100% Ib ... Hemorrhage: Ila ... #GIBleed #UGIB ... #diagnosis #endoscopy ... #gastroenterology
Causes of Small Bowel Ulceration
The diagnosis of IBD can’t be made or excluded by biopsies alone
of IBD can’t be ... • Enteritis: Crohn's ... Eosinophilic, CVID, Hyper IgD ... #differential # ... gastroenterology
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Family history of IBD ... Consider tumor • Upper ... Diverticulitis • IBD ... #Diagnosis #gastroenterology
Occult and Lower Gastronintestinal Bleed - Differential Diagnosis Algorithm

Occult (Stool + Occult blood and/or iron deficiency
- Differential ... Diagnosis Algorithm ... , asymptomatic IBD ... RULE OUT BRISK Upper ... #Diagnosis #Algorithm
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... seen in smokers, upper ... #Radiology #CTChest ... Fibrosis #Mimic #ILD
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... emphysema in the upper ... first think RB-ILD ... #Clinical #Radiology ... RespiratoryBronchiolitis #ILD