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Differential Diagnosis in Upper and Lower GI Bleed
 
- By Dr. Eric Strong @DrEricStrong 

#Upper #Lower
Differential Diagnosis ... in Upper and Lower ... GI Bleed - By ... #Lower #GIBleed ... Diagnosis #Table
Lower GI Bleed - Management Algorithm

Suspected lower GI bleeding (LGIB):
 • Hematochezia 
 • Melena +
Lower GI Bleed - ... Algorithm Suspected lower ... Unstable (Rule out upper ... GI bleed) vs Stable ... #GI #Bleed #LGIB
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
: • Upper Lobe: ... Lateral, Medial • Lower ... Lung: • Upper ... Inferior lingular • Lower ... pulmonary #clinical #radiology
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed ... Upper: • Esophagus ... #Lower #GIBleed ... #differential #
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses The differential ... masses is very long ... listed in the table ... #Management #Radiology ... #Lung #Multiple
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... be helpfull: - Upper ... bronchiolitis, PCP. - Lower ... bronchiolitis #Diagnosis #Radiology ... #GroundGlass #Differential
Normal Hilar Anatomy on Chest X-Ray
The hilum is 95% vessels and while it is not important
possible to be able ... bronchus LUL - left upper ... bronchus LLL - left lower ... bronchus RUL - Right upper ... CXR #clinical #radiology
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
consolidations in lower ... involvement, with “white lung ... structures help in the differential ... #Clinical #Radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper ... lung fields are ... supplying the lung ... flow from the lower ... #Clinical #Radiology