210 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 ... Brucellosis - Viruses: HIV ... Herpes virus: CMV, HSV ... #Effusions #causes ... differential #diagnosis #msk
Elevated Transaminases / Transaminitis - Differential Diagnosis

 • Infectious: HAV, HCV, HEV, EBV, HSV, CMV
 •
• Infectious: HAV ... , HCV, HEV, EBV, ... HSV, CMV • Neoplasm ... Differential #Diagnosis #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... TB Viral: HSV ... , EBV, HIV, HepB ... Nodosum #Mnemonic #Causes
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
gut) • Viruses: HSV ... airways) • Viruses: HSV ... reactivation), RSV ... reactivation), HHV ... differential #diagnosis #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Risks factor for HIV ... , HCV - Alcohol ... peripheral blood smear, HIV ... /HCV testing - ... patients if the cause
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
for alternative causes ... Viral infections (HAV ... , HBV, HCV, HEV,
Causes of Acute Pharyngitis
• 200 visits per year per 1000 people
   - i.e. 400
Causes of Acute ... a year Viral Causes ... conjunctiva • HSV ... herpangina), EBV, CMV, HIV ... -1 Bacterial Causes
Differential Diagnosis for Generalized Lymphadenopathy

Viral
• HIV 
• EBV 
• CMV 
• HBV 
• Dengue 
• Rubella
Lymphadenopathy Viral • HIV ... EBV • CMV • HBV ... Differential #Diagnosis #Causes
Causes of Anterior Uveitis - Differential Diagnosis
Anterior Uveitis - 90% of cases of Uveitis
 • Inflammation
Causes of Anterior ... • Infectious: HSV ... patient is likely HSV ... patient/ consider HIA ... Differential #Diagnosis #Causes
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
ACL-deficient Knee ... alignment across the knee ... HTO) to correct his ... stability to the knee ... Sports #Ortho #msk