12 results
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 ... • Non-Palpable Rash
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Canimorsus Skin Rash ... Diffuse blanching rash ... & latter can cause ... +purpuric rash → ... Canimorsus #Skin #Rash
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
shaking chills • Rash ... is rare (< 10% cases ... ), cough (30% cases ... Infection #diagnosis #microbiology
Capnocytophaga
GNR with long fusiform shape.  Fastidious facultative anaerobe that grows slowly and needs enriched agar
C.
= most common cause ... oral cavity of dogs ... shock with fever, rash ... contacts with dog ... #Microbiology #
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Scarlatiniform rash ... #differential #causes ... #bacteria #microbiology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis - Rash ... present in 80% of cases ... Secondary #Syphilis #Rash ... #dermatology #physicalexam
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 ... Crystallina #Skin #PhysicalExam
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
improvement in the rash ... other potential causes ... the condition, case ... steroids (some cases ... ophthalmology #physicalexam
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... purchased 2 prairie dogs ... vesiculopustular rash ... F, rash, lymphadenopathy ... intense asthenia→Rash
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
49M +burning rash ... maculopapular rash ... baboon syndrome (rash ... baboons) - the rash ... Flexural #Exanthema #rash