34 results
Pathophysiology of Hypocomplementemic Urticarial Vasculitis

C1q/anti-C1q antibiody ->
Immune Complex Formation - Complement Pathway Activation (C3a and C5a)
Pathophysiology ... Cells -> Incr Vascular ... Chemotaxis -> Vascular ... #HUV #Pathophysiology ... #Rheumatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... disruption of vascular ... trauma, infection, vasculitis ... #Dermatology #Rash
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Renal Disease Vascular ... TeIangiectasia Vascular ... • Steroids • Vasculitis ... #Causes #Hematology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... Differential Diagnosis Algorithm ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
platelet disorders, vascular ... Etiology: • Vascular ... Disruptions in vascular ... Streptococcus pneumoniae Vascular ... #rheumatology #
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Differential Diagnosis Algorithm ... • Radiation Vascular ... insufficiency • Vascular ... insufficiency • Vasculitis ... #causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... Differential Diagnosis Algorithm ... Tonic-clonic Provoked: • Vascular ... thrombosis, Congenital vascular ... malformation, Aneurysm, Vasculitis
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... Differential Diagnosis Algorithm ... • Peripheral Vascular ... Dislocated Bone #Vascular ... #Orthopedics #Causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Diagnosis Algorithm ... Disruptions in vascular ... Infection - Vasculitis ... #Causes #dermatology
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Differential Diagnosis Algorithm ... • Pulmonary Vasculitis ... polyangiitis Vascular ... #Causes #Pulmonary