11 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... vasculitic diseases secondary ... gonococcal disease, endocarditis ... #Diagnosis #Dermatology ... #Purpural #Purpuric
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Henoch Schonlein Purpura ... - Endocarditis ... Non-Palpable Rash: - Purpura ... #Causes #dermatology ... #physicalexam
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis ... == Primary Skin ... Skin Lesion / Systemic ... #primary #secondary ... #dermatology #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... lesions that result ... Diagnosis #hematology ... #nonpalpable #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
, Palpable purpura ... • Palpable purpura ... Vesicles overlying purpuric ... Henoch-Schönlein purpura ... Polyangiitis #GPA #dermatology
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... or disorders of primary ... Palpable: 1) If lesions ... #Dermatology #Rash ... #Petechiae #Purpura
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- long axis of lesion ... parallel to lines of skin ... diagnosis: secondary ... rosea #clinical #dermatology ... #photo #PhysicalExam
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Primary: 50% ... Leukocytoclastic Vasculitis Secondary ... Small Vessel: Petechiae ... , Palpable purpura ... #dermatology #rheumatology
Pruritus - No Primary Skin Lesion - Differential Diagnosis Algorithm

Blood Glucose:
 • Diabetes Mellitus
Liver Function Tests/Enzymes:
Pruritus - No Primary ... Skin Lesion - Differential ... Diagnosis Algorithm ... #secondary #systemic ... #generalized #dermatology
Primary Dermatological Lesions
Primary lesions are physical changes in the skin considered to be caused directly by
Lesions Primary ... PETECHIAE and PURPURA ... Purpura are larger ... #Dermatology #Skin ... #Primary #Lesions