Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #
Upper and Lower Causes of GI Bleed
Upper:
 β€’ Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Upper and Lower ... Causes of GI Bleed ... colitis, UC/Chrons (IBD ... #differential # ... #algorithm
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper ... non-perfused vessels and causes ... flow from the lower ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
air-bronchogram in the right lower ... dealing with the differential ... #Clinical #Radiology ... #CXR #Peripheral ... #Distribution #
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
The table summarizes ... the pattern of distribution ... lobar pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... seen in smokers, upper ... UIP has a strong lower ... zone distribution ... Clinical #Diagnosis #Radiology
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 β†’ start cefepime Β± vancomycin (if
allopurinol 300 mg BID ... Treat underlying cause ... swelling, dyspnea, upper-extremity ... interventional radiology ... 100 000 (can be lower