12 results
Serious Bacterial Illness (SBI):
1) UTI and pyelonephritis
Most common cause of SBI
Accounts for 3-8% of uncharacterized fevers
Female
pyelonephritis Most common cause ... uncharacterized fevers ... unformed) PNA diagnosed ... #Peds #EM #Classification ... #Fever #SBI #SeriousBacterialIllness
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... arthritis, Skin rash ... fraction < 20% Differential ... Coxsackie, CMV, EBV ... management #treatment #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
everywhere) 2) A rash ... the face (many differential ... diagnoses, including ... 9) Unexplained fever ... erythematosus #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... known as rat bite fever ... or Haverhill fever ... comparison #table #differential ... #diagnosis #dermatology
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
Scarlatiniform rash ... Cold, croup • EBV ... Pharyngitis #IDSA #diagnosis ... #differential # ... causes #bacteria
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
virus • CMV • EBV ... • Headache • Fever ... Maculopapular rash ... meningeal signs (fever ... • Uveitis • Rash
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
- Pel-Ebstein fever ... translocation • Types: Classification ... Diagnosis of B-Symptoms ... #differential # ... hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... Vasculitis: • Fevers ... #diagnosis #rheumatology ... #classification
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... Skin Disease Classification ... permanent alopecia Differential ... to: Arthritis, Fever ... #Rheumatology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... • Dyspnea • Fever ... ) Classification ... Immunohistochemical studies (to differentiate ... #classification