48 results
Janeway Lesions in Endocarditis seen on Physical Exam 

Dr Supradip Ghosh
@dr_supradip

36 year old male with history
left hemiplegia, fevers ... sister shared these photos ... with persistent fever ... PhysicalExam #clinical #photo ... #dermatology #soles
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... rapidly fatal • Causes ... BrighamChiefs #Fever ... #Hyperthermia #comparison
Kerion
Raised, boggy lesion with heaped up purulent nodules 
Caused by host's response to a fungal ringworm
purulent nodules Caused ... Hair loss • Fever ... Griseofulvin #Kerion #Dermatology
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
after bite • Fever ... is rare (< 10% cases ... ), cough (30% cases ... Infection #diagnosis #microbiology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... Rapid onset of fever ... sepsis: chronic liver ... rash #cellulitis #dermatology ... legs #clinical #photo
Clinical Manifestations of Human Herpes Viruses (HHV)

Herpes simplex virus 1	HSV-1	Frequently subclinical (80-90%) Oral lesions (10-20%) congenital
virus 7 HHV-7 Fever ... #Viruses #HHV #Microbiology ... #Diagnosis #Comparison
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Pharyngotonsillitis, scarlet fever ... Pharyngoconjunctival fever ... #differential #causes ... #bacteria #microbiology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... deficiency • Liver ... mountain spotted fever ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Hantavirus
Pathogen: Hantavirus - Rodents are the primary reservoir
Transmission:
 • Shed in the urine, feces, saliva of
barns and lake houses ... • Prodrome: fever ... chills, myalgias, nausea ... management #treatment #microbiology
Multi-System Inflammatory Syndrome in Children (MIS-C) vs. Kawasaki Disease
CDC Case Definition for MIS-C;
 • < 21
Kawasaki Disease CDC Case ... years old with fever ... MISC #Kawasaki #Comparison