12 results
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... - Anaplasma phagocytophilum ... Pathophysiology ... shaking chills • Rash ... ), cough (30% cases
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
igne (EAI) is a skin ... reaction caused ... #Igne #AbIgne #PhysicalExam ... clinical #video #skin ... #dermatology #rash
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Pathophysiology: ... of germinative skin ... Causes: 1) Exfoliative ... Basophils/Histamine 4) Skin-homing ... #Dermatology #Rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... : • Palpable Rash ... • Non-Palpable Rash ... : • Palpable Rash ... cryoglobulins • Skin
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Rash is usually ... chronicum migrans • Rash ... Fever + facial rash ... • Evanescent rash ... Acute systemic rash
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
URT inflammation causes ... & hemorrhagic rash ... that persists as skin ... Vesicular & pruritic rash ... peds #pediatrics #pathophysiology
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
hair follicles -> causes ... plugging -> Discoid Rash ... inflammation on skin ... Malar (butterfly) Rash ... Manifestations #pathophysiology
Miliaria Crystallina on Skin Physical Examination

A 55-year-old man who had been admitted to the intensive care
sudden-onset vesicular rash ... mild form of heat rash ... mildest form of heat rash ... This is caused by ... #PhysicalExam #
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
fatigue Heat Rash ... blisters on the skin ... Collapse: • Pathophysiology ... Pale and sweaty skin ... differential #diagnosis #causes
Blood Transfusion Reactions

Immune Mediated:
 • Febrile Non-Hemolytic Transfusion Reaction (FNHTR): Most common immune reaction to transfusion.
maculopapular rash ... Causes purpura & ... TRALI): Leading cause ... anti-HLA or anti-HNA Ab ... infections with skin