23 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... deficiency - Abnormal ... RA, Sjogren's, GPA ... #Differential #
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... - Differential ... Diagnosis Algorithm ... Phototoxic drug eruption ... #Differential #
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
cell arteritis (GCA ... Clinical manifestations ... Abnormal TAB ... #Rheumatology # ... Ophthalmology #Diagnosis #Algorithm
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis
Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Tests - Differential ... Diagnosis Algorithm ... LFTs #Elevated #Abnormal ... #diagnosis #hepatology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Hyperpigmentation - Differential ... Diagnosis Algorithm ... sclerosis (white "ash ... cutaneous drug eruption ... #Differential #
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... - Differential ... Diagnosis Algorithm ... - Erythematous eruption ... #Differential #
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Idiopathic • Normal ... ANCA (C-ANCA): GPA ... Glomerulonephritis #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Maculopapular rash ... reticularis Differential ... #dermatology #rash ... #diagnosis #rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... Elevated ESR, Normal ... Myopathies #myopathy #differential ... #diagnosis #comparison ... #rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
pathologically or clinically ... polyangiitis (GPA ... ANCA #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology