19 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... • Abdominal ultrasound ... #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... reticularis Differential ... vasculitis (inflamed blood ... #rash #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Haverhill fever caused ... Rash is usually ... patches on the face, neck ... comparison #table #differential ... #diagnosis #dermatology
Streptococcal Toxic Shock Syndrome (STSS)
Complication of invasive GAS disease characterized by shock & MOF → occurs
GAS in 30% of cases ... ; 50% in nec fasc ... body site (i.e., blood ... erythematous macular rash ... STSS #treatment #management
Ketosis Disorders
Ketone bodies are a normal metabolic energy source. Excessive unregulated production of ketones, often accompanied
pregnancy, where blood ... Glucosuria causes ... Nick Mark MD @nickmmark ... Disorders #ketones #differential ... #diagnosis #management
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
extensive skin rash ... Edema in 70% of cases ... Resolution > 15 days Differentials ... DRESS #Syndrome #dermatology ... #diagnosis #management
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
- Rash: multiple ... trunk, face or neck ... Causes: - Idiopathic ... neutrophils in the blood ... #dermatology #oncology
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... Diagnosis Red ... - Post-Trauma, Neck ... causes #primary ... #secondary #management
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
which allow red blood ... - This iron causes ... brown tint of the rash ... Dermatoses #Dermatosis #differential ... #diagnosis #dermatology
Blood Transfusion Reactions

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