10 results
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
(EAI) is a skin ... #AbIgne #PhysicalExam ... #clinical #video ... #skin #dermatology ... #rash
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterial Infections ... Primary skin and ... Mycobacterium #diagnosis #differential ... #infectiousdiseases ... #NTM
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
Sporotrichiosis Infection ... painless nodular rash ... trauma leads to skin ... biopsy preferred Differential ... leishmania, Tb, NTM
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation ... extremity #msk #physicalexam
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Pulmonary • Skin ... • M genavense Skin ... disease, adenitis, skin ... • M fortuitum Skin ... #Infections #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Summarized Erythema ab igne ... centrifugum • A chronic skin ... gyratum repens • A skin ... induratum • A chronic skin ... comparison #table #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... - Trauma - Infection ... cryoglobulins • Skin ... #Differential # ... #dermatology #physicalexam
Soil Related Infections - Differential Diagnosis Framework

Mechanism Of Infection:
 • Wound
 • GI: Ingestion, MUD, Contaminated
- Differential ... Inhalation • Skin ... papule on exposed skin ... Campylobacter jejuni • NTM ... diagnosis #InfectiousDiseases
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Cryoglobulinemic Vasculitis - Skin ... glomerular ischemia - Skin ... Small Vessels: Skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Purpura, ischemic skin ... commonly affects the skin ... • Affects the skin ... cmpkx deposits skin ... Vasculitis: • Skin