11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... there are four patterns ... and what kind of pattern ... common pattern ... The cystic pattern
Lung abnormalities mostly present as areas of increased density, which can be divided into the following
density, which can ... the following patterns ... #Diagnosis #Pathophys ... #Radiology #CXR ... #Lung #Patterns
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... challenging differential diagnosis ... the central dot sign ... Clinical #Radiology #CXR
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... chest to evaluate ... o infection • Echocardiogram ... CT ... • IF staining patterns
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... Christmas tree pattern ... #differential #diagnosis ... #skin #common #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
tightness Most Common ... Nasal polyps and signs ... parenchyma Diagnosis ... CT) • Broncho-arterial ... #differential #diagnosis
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
) - Diagnosis and ... Management Pneumonia Signs ... Uremia (blood urea ... radiograph or CT ... Yield of blood CX
Handlebar Traumatic Injury 
Young girl presents to you after low energy, helmeted bicycle accident. Her vitals
re-exams (normal CXR ... She is sent to CT ... Common injuries ... and/or delayed diagnosis ... Keep this injury pattern
Immune Checkpoint Inhibitor-Mediated Colitis
Grade of Disease Severity:
 • G1: Increase < 4 BMs/day over baseline; mild
Diff, Stool cx, ... Endoscopy (Flex Sig ... or Colon +EGD): ... Cross-sectional Imaging (MR/CT ... #management #algorithm
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... x-ray (CXR), try ... radiograph pattern ... Contusion Most commonly ... #Radiology #CTChest