12 results
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
Rare Causes of Abdominal ... Mediterranean areas ... in the knee-to-chest ... Positive Carnett's sign ... #differential #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... patterns - History ... lesions in other areas ... #redflags #signs ... #symptoms #differential
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Cramps: • Muscle pain ... on the skin • Areas ... → Syncope • Signs ... #diagnosis #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • CT: Halo sign ... cough, myalgias, headache ... factor • May cause ... Burnetii: • Fever, headache
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
o infection • Echocardiogram ... Goodpasture's cause ... • IF staining patterns ... Renal #Syndromes #differential ... #diagnosis #management
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Face, upper back, chest ... associated with signs ... honey-colored crusts ... Christmas tree pattern ... dermatology #rash #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
CNS symptoms (headache ... Behcet disease) Differential ... Nonsurgical abdominal pain ... Syndrome #diagnosis #management ... #signs #symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... 50 years • New headache ... tract: Abdominal pain ... tract, and often causes ... involvement, abdominal pain
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... very remarkable w/differential ... claudication, headaches ... claudication: pain ... Symptoms #Diagnosis #Management
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) The case ... scan: the mosaic pattern ... Signs of fibrosis ... included in the differential ... Clinical #Radiology #CTChest