48 results
#tachenoir #eschar #fever #Rash #rickettsia #rickettsial #parkeri #akari #africae #conorii #orientia #tsutsugamushi #tick #mite 
By Dr.
eschar #fever #Rash ... InfectiousDiseases #Infections ... #Microbiology #Micro ... #Differential #Ddx
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
and SUN Classification ... multiple sclerosis Infectious ... Bartonella SUN Classification ... #SUN #Classification ... Ophthalmology #Rheumatology
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
invade URT & via hematologic ... & hemorrhagic rash ... CNS and hematologic ... infection -> Parotid ... Vesicular & pruritic rash
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 ... marine microbiota & causes ... , hypotension, rash ... #dermatology #legs
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
potential inciting causes ... Haverhill fever caused ... Rash is usually ... Fever + facial rash ... differential #diagnosis #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Trauma - Infection ... Disseminated gonococcal infection ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Anemia Intrinsic Causes ... drug induced • Infections ... Intravascular Causes ... #classification ... #hematology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... blisters, possibly crusts ... foliaceus - Infectious ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Inflammation, Chronic Infection ... #Anemia #MCV #Classification ... Diagnosis #Algorithm #Causes ... #Hematology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Fulminans Skin Rash ... rigors, diarrhea, nausea ... Ddx? ... Ddx is very broad ... - BIDMC Infectious