11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... common pattern ... seen and in many cases
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... Algorithm Red ... ) • Abnormal CXR ... #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most common ... cause: Aspiration ... pneumonia • Chronic ... Blood cultures • CXR ... early disease) • CXR
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... Causes: • Cystic ... Nasal polyps and signs ... in the adjacent lung ... Bronchiectasis #pulmonary #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... dyspnea • (Less common ... • CT: Halo sign ... Abdominal pain, chronic ... AIDS #pulmonary #differential
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... Signs of fibrosis ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
or fibrosis in chronic ... or NSIP pattern ... consider drug-related lung ... disease in the differential ... Clinical #Radiology #CTChest
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... associated with signs ... Christmas tree pattern ... dermatology #rash #differential ... diagnosis #skin #common
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... Inflammatory Myopathies: Commonly ... ) • Shawl sign ... slow onset and pattern ... statins - probably caused
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 ... #Lung #Pulmonary