158 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Giardiasis #Erythema ... #Dermatology #SkinRash
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... destructive sinusitis, pulmonary ... Cryoglobulinemic vasculitis ... and Sjogren's syndrome ... • IgA vasculitis
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... healing process) #Erythema ... #Nodosum #Causes ... #Dermatology #SkinRash
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Vasculitis Infection ... Vasculitis • ... Goodpasture's Syndrome ... Diagnosis #Algorithm #Causes
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... the “figurate erythemas ... Most cases are idiopathic ... #dermatology #skinrash
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... ANCA Associated Vasculitis ... , Rheumatoid Vasculitis ... Renal Crisis, IgA Vasculitis ... Kumfer @AnnKumfer #Pulmonary
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... of necrotizing vasculitis ... with variety of causes ... • Cause is unknown
Dyspnea - Differential Diagnosis Framework

Cardiovascular Causes of Dyspnea:
 • Myocardium:
	- Heart failure
	- CAD/ACS
	- Valvulopathy
 • Electrical:
	-
- Tamponade Pulmonary ... Vasculature: - PE - Pulmonary ... HTN - Vasculitis ... Hepatopulmonary syndrome ... #pulmonary
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
lasts <24hrs • Erythema ... nodules on shins • Erythema ... #Reactive #SkinRash ... Diagnosis #Algorithm #causes
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Syndrome Definition ... ANCA-positive vasculitis ... ANCA-negative vasculitis ... IgA-associated vasculitis