13 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
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Patients with petechiae ... endocarditis, RMSF, and Henoch-Schönlein ... Those with petechiae ... #Petechial #Petechiae
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 ... maculopapular; #petechiae ... ; #purpura; #rash
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... parallel to lines of skin ... - Differential diagnosis ... nummular eczema, tinea ... #dermatology #photo
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Findings: • Petechiae ... Maculopapular rash ... sensation or pain: • Petechiae ... polyangiitis • EGPA • Henoch-Schönlein ... #dermatology #rash
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Approach to the Rash ... Thrombocytopenia (ie petechiae ... dermatoses #skin ... #Rash #oncology ... #differential #diagnosis
Scarlet fever
• Delayed-type skin reactivity to pyrogenic exotoxin Requires prior exposure
• Diffuse erythematous eruption that generally
• Delayed-type skin ... Pastia lines = petechial ... Scarlet #fever #diagnosis ... #clinical #photo
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... erythroderma, petechiae ... New-onset fever with rash ... sulfa-drug - Skin ... #Dermatology #Rash
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... covering the foot, hence ... skin of inflamed ... type #clinical #photo