11 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Pinpoint areas (less ... • Extremes of age ... cryoglobulins • Skin ... #dermatology #physicalexam
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
- This iron causes ... brown tint of the rash ... involvement is less ... #differential #diagnosis ... #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
+purpuric rash → ... purpura fulminans ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... multiforme - Dermatomyositis ... #dermatology #oncology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Takayasu: • Age ... arthralgia, arm/leg ... temporal artery • Age ... , mucositis • Rash ... tract, and often causes
Acute Generalized Exanthematous Pustulosis (AGEP)

AGEP is largely a clinical diagnosis based on classical skin findings in
a clinical diagnosis ... based on classical skin ... Causes? ... Facial edema - Purpura ... Exanthematous #Pustulosis #Dermatology
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... • Erythematous rash ... Muscle atrophy may cause ... #diagnosis #management ... #rheumatology #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Ankles, lower legs ... often painful) • Varicella ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin
Monkeypox

What?
Monkeypox virus belongs to the family Poxviridae, subfamily Chordopoxvirinae, and genus orthopoxvirus
Viral zoonotic disease that is
disease that is caused ... Characteristic Rash ... involved DDX: Varicella ... Monkeypox #MPOX #Diagnosis ... #Management #Dermatology
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Causes purpura & ... infections with skin ... #Transfusion #diagnosis ... #management #hematology