11 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... ) purpura occurs ... with fever or toxicity ... with fever/toxicity ... #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... PURPURA: Platelet ... OF PALPABLE PURPURA ... mountain spotted fever ... #dermatology
Step by Step Algorithmic Approach to Pediatric Fever

Age < 21 days old (or 28 days for
Step by Step Algorithmic ... Procalcitonin >= 0.5 ng/mL ... #Pediatrics #Peds ... #Diagnosis #Management ... #Infant #Fever
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Red Flags: • Fever ... Henoch Schonlein Purpura ... Rash: - Purpura ... #Algorithm #Causes ... #dermatology #physicalexam
“Step by Step” – the new kid on the block – aims to risk stratify this
Procalcitonin <0.5 ng/mL ... CRP < 20 mg/L #Diagnosis ... #Management #Pediatrics ... #Peds #Febrile ... #Algorithm #LP
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... Henoch Schonlein Purpura ... erythematous nodules, purpura ... purpura: strong ... purpura.
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
eating habits • Infants ... • Petechia • Purpura ... • Petechiae, purpura ... , or any other cause ... Henoch-Schonlein purpura
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... (Petechial or purpuric ... 5000 to 10,000 ng/mL ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Petechiae • Purpura ... • Palpable variants ... Hemorrhagic bullae • Purpura ... #Coagulation #diagnosis ... #management #hematology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
S/sx: Fever, flank ... Post Transfusion Purpura ... Causes purpura & ... #Transfusion #diagnosis ... #management #hematology