21 results
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
disruption of vascular ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Algorithm #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... platelet disorders, vascular ... Etiology: • Vascular ... Disruptions in vascular ... Streptococcus pneumoniae Vascular
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Disruptions in vascular ... Vasculitis (lupus ... #dermatology #physicalexam
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Causes of Purpura ... Disruption in Vascular ... Inherited collagen vascular ... #nonpalpable #palpable ... #Causes #Differential
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... #Vascular #Vasculitis ... #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... • Peripheral Vascular ... Trauma to Vessel (dislocation ... Dislocated Bone #Vascular ... #Orthopedics #Causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
• Radiation Vascular ... insufficiency • Vascular ... insufficiency • Vasculitis ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Renal Disease Vascular ... TeIangiectasia Vascular ... • Steroids • Vasculitis ... #Hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... #rash #diagnosis
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... - Differential ... drug eruption #Vesicular ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes