13 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... & Symmetrical Rash ... (Measles- like rash ... Peri-Articular • Cellulitis ... #Orthopedics #Causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vulnificus skin infection ... rapidly evolving rash ... in 5 BC as foot cellulitis ... immunosuppressive meds ... #rash #cellulitis
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
& hemorrhagic rash ... Vesicular & pruritic rash ... encephalitis and cellulitis ... widespread infection ... #Immunization #peds
Classes of Mutations in the Gene Encoding Cystic Fibrosis Transmembrane Conductance Regulator (CFTR). Depending on the
Classes of Mutations ... no functional CFTR ... trafficking defect caused ... Pathophys #Pulm #Peds ... ModulatorTherapy #NEJM
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... potential inciting causes ... Haverhill fever caused ... Rash is usually ... Fever + facial rash
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Canimorsus Skin Rash ... dogs & latter can cause ... gram-negative bacillus cause ... symptoms from cellulitis ... +purpuric rash
Acute Dacryocystitis- A 4-week-old boy was brought to the emergency department after having drainage from both
dacryocystitis — infection ... progress to orbital cellulitis ... #NEJM #clinical ... #photo #peds #acute
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 ... gastrointestinal infection ... dermatitis - Cellulitis
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Moccasin-variety Tinea Pedis ... Over the years: rash ... dermatophytes cause ... Moccasin tinea pedis ... Indiana University Infectious
Legionnaires' Disease
Clinical features:
 • Gl- nausea, vomiting, diarrhea
 • Hyponatremia
 • Elevated transaminases
 • CRP >100
features: • Gl- nausea ... Other Legionella Infections ... Extra-pulmonary: cellulitis ... Hospital of Baltimore IM