22 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Differential #Ddxof
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cytokines, Mast Cells ... Formation -> Vasculitis ... #HUV #Pathophysiology ... #Rheumatology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Pathophysiology: ... #Diagnosis #Dermatology ... Erythroderma #Nikolsky #Algorithm ... #Differential #Ddxof
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
Features of hematologic ... malignancy: • Symptoms ... : B-symptoms, bruising ... predominant immature cells ... #hematology #WBC
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
old; F>M Signs/Symptoms ... Anemia - Giant cells ... palpation - Vasculitic ... Temporal #Arteritis #Pathophysiology ... #Vasculitis
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... Pathophysiology ... #Diagnosis #Dermatology ... Color #Targetoid #Algorithm ... #Differential #Ddxof
Giant Cell Arteritis (GCA) - Vasculitis Management Algorithm - ACR/VF 2021 Guidelines
 • Visual Symptoms/Loss or
Arteritis (GCA) - Vasculitis ... Management Algorithm ... Guidelines • Visual Symptoms ... Without Visual Symptoms ... #rheumatology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... pattern of spread, B symptoms ... Classification #pathophysiology ... #Hematology #Diagnosis ... #differential #algorithm
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... workup for specific symptoms ... organ-specific signs or symptoms ... Eosinophil #Disorders #Algorithm ... Differential #diagnosis #hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
three primary pathophysiologic ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology