23 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... pain/Night sweats ... Weight loss - DDX ... Brucellosis - Viruses: HIV
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... , weight loss, fever ... Cervical spine arthritis ... Cricoarytenoid arthritis ... To Narrow Down Ddx
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... • Infection: Cellulitis ... Herpes zoster - HIV ... /swelling - Fever ... #differential #
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... , Arthralgia/arthritis ... fraction < 20% Differential ... Diaqnoses: • Infectious ... Coxsackie, CMV, EBV, HIV
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... weeks) Can Be Caused ... • Rheumatic fever ... Parvovirus B19 • HIV ... Joint #pain #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Microsporidium #Lung #Infections ... #HIV #AIDS #pulmonary ... #differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... : • 80% have fever ... Pleuritic chest pain ... Lung #Abscess #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
run-down or tired • Fevers ... weight • Chest pain ... , CCP, ANCA • HIV ... mycobacteria Treatment ... #differential #
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
malaise) - Muscle pain ... Inflammation and pain ... Causes: - Idiopathic ... DDX: - Pyoderma ... Treatment: - Systemic
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint Pain ... acute rheumatic fever ... Like in this case ... - parvovirus, HIV ... approach #workup #differential