145 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Diagnosis Algorithm ... rash) • Primary HIV ... #Orthopedics #Causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... TB Viral: HSV ... , EBV, HIV, HepB ... #Differential # ... Diagnosis #Dermatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Like in this case ... - parvovirus, HIV ... #rheumatology # ... approach #workup #differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... #diagnosis #causes ... #hematology
Causes of Polyneuropathy - Differential Diagnosis Algorithm
 • Metabolic: DM, Hypothyroidism, CKD, Cirrhosis, Nutritional deficiency
 •
Causes of Polyneuropathy ... - Differential ... Diagnosis Algorithm ... : HIV, Lyme, Diphtheria ... Mitochondrial issues - VA Joint
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... Risks factor for HIV ... peripheral blood smear, HIV ... #Diagnosis #Causes
Infection-Related Cancers
Viruses:
 • HPV - Cervical, anogenital, head and neck, skin cancer
 • HTLV-1 - Adult
Infection-Related ... T-cell Leukemia • HIV ... @drkeithsiau #Infection ... Cancers #oncology #differential ... #diagnosis #table
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
Transaminitis - Differential ... Diagnosis • ... Infectious: HAV ... #Diagnosis #causes ... #hepatology
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
- Differential ... Diagnosis Algorithm ... complications of HIV ... (syphilis, HIV-associated ... #Causes
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... Diagnosis Algorithm ... Pseudotumor - Infectious ... • CMV • HIV ... #Causes #Hematology