7 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Disruptions in vascular ... cryoglobulins • Skin ... #Petechiae #Rash ... #Causes #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Petechiae < ... cm diameter - Purpura ... dilated superficial blood ... Vasculitis #SkinRash #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... Maculopapular rash ... macules • Erythematous ... vasculitis (inflamed blood ... #rash #diagnosis
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
non-ill: - Drug Reaction ... meningococcaemia - Syphilis ... #Rash #Algorithm ... #Diagnosis #Dermatology ... #Skin
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... infections with skin ... RBCs (stored at 4C
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
maculopapular rash ... Post Transfusion Purpura ... Causes purpura & ... infections with skin ... RBCs (stored at 4C
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
o Purple or purpuric ... such as small blood ... occur in chronic skin ... disease, or bullous skin ... Fungal Infections (Tinea