11 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Disseminated Gonoccocal Infection ... rash) • Primary HIV ... Infection • Endocarditis ... #Algorithm #Orthopedics
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Pseudotumor - Infectious ... • CMV • HIV ... History of Bleeding, Infection ... #Algorithm #Causes
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 ... - DDX: - Infection ... Infectious Knee ... Brucellosis - Viruses: HIV ... Disease Post-Infectious
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Algorithm Infection ... Osteomalacia • Rickets Hip ... Joint • Hip Dysplasia ... Deformity #Limp #MSK ... #Algorithm #Orthopedics
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Quinidine • HIT ... Vasculitis • Infection ... #Algorithm #Causes ... #Hematology
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Causes of Isolated ... Antineoplastic Viral Infection ... Childhood viruses • HIV ... #Algorithm #Causes ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... SLE) - Viral infections ... APLS • Acute Infectious ... Amyloidosis - Corticosteroids ... #nonpalpable #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
with wife, bit by his ... When considering infections ... C. canimorsus infection ... Capnocytophaga infection ... Indiana University Infectious
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Trauma - Infection ... Disseminated gonococcal infection ... ITP - APLS - HIT ... #Algorithm #Causes ... #dermatology #physicalexam
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Alopecia: - Infectious ... Post op, Post infection ... adenopathy suggest infection ... texture at bald spots ... Dermatitis (Consider HIV