37 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
diseases secondary ... disseminated gonococcal disease ... or purpuric rash ... #Diagnosis #Dermatology ... Purpural #Purpuric #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... deficiency Work ... #Petechiae #Rash ... #Algorithm #Causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Hypersensitivity vasculitis ... #differential #diagnosis ... #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
central nervous system ... - systemic ... syndrome - dermatomyositis ... #Rheumatology # ... Diagnosis
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... - Differential Diagnosis ... • Steroids • Vasculitis ... #Algorithm #Causes ... #Hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Differential Diagnosis ... #rash #diagnosis ... #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
antibodies) • Systemic ... drug-induced SLE) • Systemic ... Polymyositis and dermatomyositis ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... ANCA associated vasculitis ... Arthritis (RA), Systemic ... #Differential #Diagnosis ... #rheumatology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , Vasculitides, ... IBD, Celiac disease ... #Algorithm #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... Algorithm Infectious ... Inflammatory • Systemic ... #Algorithm #Causes ... #Hematology