13 results
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
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
thrombophlebitis Skin ... • Trauma • Crush ... ulcers - Shiny skin ... blunt trauma, crush ... extremity #msk #physicalexam
Hyperuricemia: Pathogenesis and Complications

 - Hypercalcemia (due to diseases like Sarcoidosis and Hyperparathyroidism) -> Accumulation of
blood - Tubular Poisons ... keto-acids) -> Poisons ... RBCs, WBCs, and skin ... Release of purine bases ... Hyperuricemia #Pathophysiology
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
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Summarized Erythema ab ... centrifugum • A chronic skin ... Haverhill fever caused ... gyratum repens • A skin ... induratum • A chronic skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... cryoglobulins • Skin ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
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
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