11 results
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... #Rare #Causes ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
inflammation causes ... pain/tightness ... Most Common Causes ... Nasal polyps and signs ... Bronchiectasis #pulmonary #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... , chronic diarrhea ... factor • May cause ... AIDS #pulmonary #differential
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... ) - Previous chronic ... customary headache patterns ... headache #redflags #signs ... #symptoms #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Eosinophilia, asthma, chronic ... tract, and often causes ... Drug Associated (Commonly ... purpura: strong sign ... - (C-ANCA) pattern
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
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... pneumonitis (2) The case ... Signs of fibrosis ... included in the differential ... Clinical #Radiology #CTChest
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... most commonly affects ... Eosinophilia, asthma, chronic ... tract, and often causes ... involvement, abdominal pain
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 ... slow onset and pattern ... statins - probably caused
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
globally, excluding areas ... DIFFERENTIAL DIAGNOSIS ... the acute flare; chest ... syndrome - chronic ... dominant inheritance pattern