11 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
of the Petechial ... Endocarditis, Henoch-SchönIein ... twitter.com/BirksMD #Petechial ... #Purpuric #Petechiae ... #Dermatology #Skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... lesions called petechiae ... Petechiae Etiology ... ultrasound #Petechial ... #Petechiae #Rash
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... rapid and accurate diagnosis ... be divided into petechial ... ; #petechiae; #purpura ... ; #rash; #vesiculobullous
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Findings: • Petechiae ... lesions (9.4%) • Maculopapular ... sensation or pain: • Petechiae ... EGPA • Henoch-Schönlein
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - ... Diagnostic Algorithm ... erythroderma, petechiae ... sulfa-drug - Skin ... #Maculopapular
Scurvy (Vitamin C Deficiency) - Diagnosis and Management

Vitamin C is required for hydroxylation of proline residues
Deficiency) - Diagnosis ... : • Petechia • ... • Petechiae, purpura ... , or any other cause ... ITP • Henoch-Schonlein
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
the presence of petechiae ... characterized by petechiae ... - This iron causes ... brown tint of the rash ... #differential #diagnosis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... dermatophytes cause ... skin of inflamed ... type #clinical #photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... , mucositis • Rash ... present) Henoch Schonlein ... tract, and often causes ... vesicles, pustules, maculopapular
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
/sx urticaria, maculopapular ... rash, pruritis, ... infections with skin ... RBCs (stored at 4C ... #Transfusion #diagnosis