31 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Differential #Ddxof
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 ... Antiphospholipid-antibody syndrome • Vasculitis ... differential #diagnosis #rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Differential Diagnosis Algorithm ... • Steroids • Vasculitis ... Iatrogenic) • Liver ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Hypothyroid • Liver ... Disease • Alcohol ... differential #diagnosis #algorithm ... #hematology #workup
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Bone marrow disease ... deficiency • Liver ... Von Willebrand disease ... Differential #Diagnosis #hematology ... #rheumatology #
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Inflammatory Conditions: Rheumatologic ... , Vasculitides, ... IBD, Celiac disease ... #hematology
Polyarteritis Nodosa (PAN) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Severe Disease → Remission
Nodosa (PAN) - Vasculitis ... Management Algorithm ... Guidelines • Severe Disease ... • Non-Severe Disease ... #rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Autoantibodies and their Disease ... Dermatomyositis Anti-LKM (liver ... c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... diagnosis #table #rheumatology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Differential Diagnosis Algorithm ... Renal Disease, Liver ... Reticulocytosis • Liver ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Pauci-immune vasculitis ... Maculopapular rash ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology