11 results
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... Algorithm Red ... Flags: • Fever ... lymadenopathy, clubbing, chest
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... lymphadenopathy, • Abdominal ... pain, chronic diarrhea ... AIDS #pulmonary #differential
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean Fever ... Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... #Pain #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Immunocompromised status • Chronic ... encounters due to NTM: Chronic ... enzymes, diarrhea, abdominal ... • Dyspnea, • Chest ... NTM #Infections #differential
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... Signs of fibrosis ... mid and lower lung ... included in the differential ... Clinical #Radiology #CTChest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
run-down or tired • Fevers ... Nasal polyps and signs ... in the adjacent lung ... of the affected lung ... Bronchiectasis #pulmonary #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... - GI tract: abdominal ... Vasculitis: • Fevers ... purpura: strong sign ... - (C-ANCA) pattern
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... purpura: Strong sign ... multiplex • GI tract: Abdominal ... Eosinophilia, asthma, chronic ... gut involvement, abdominal
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
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... papules and Gottron sign ... ) • Shawl sign ... Overlap Syndrome: Fever ... slow onset and pattern