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 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
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... bronchiolitis (RB-ILD ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper ... flow from the lower ... to the upper lobes ... with old fims can ... Clinical #Radiology #CXR
On the left a chest film of a patient with UIP due to IPF.
The findings on
reticular densities caused ... reticulation with a lower ... Clinical #Radiology #CXR ... #CTChest #UIP # ... Pneumonitis #Reticular #ILD
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 ... UIP has a strong lower ... Fibrosis #Mimic #ILD
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
random) Is there an upper ... versus lower zone ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm ... #ILD #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... this pattern was caused ... most challenging differential ... The upper lobe predominance ... Clinical #Radiology #CXR
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 β†’ start cefepime Β± vancomycin (if
suspected) - CT chest ... allopurinol 300 mg BID ... Treat underlying cause ... swelling, dyspnea, upper-extremity ... 100 000 (can be lower
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
sounds on the upper ... x-ray (CXR), try ... With multiple lower ... Most commonly caused ... #Radiology #CTChest