8 results
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
immunodeficiency virus ... days or weeks • Virus ... • Epstein-Barr virus ... Viral hepatitis Diagnosis ... Syndrome #HIV #diagnosis
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 Diagnosis ... Infectious Knee ... Chikungunya - Herpes virus ... Reactive Syndrome - Acute
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
) Acute autoimmune ... , Epstein-Barr virus ... immunodeficiency virus ... HIV), and Zika virus ... and sensitive tests
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus ... - Anti-HBe - Acute ... (about 10% of cases ... less commonly, infection ... Interpretation #diagnosis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpes simplex virus ... Varicella-zoster virus ... Nile virus (WNV ... Snowshoe Hare virus ... Symptoms: • Acute
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome (GBS ...  Most common cause ... of acute flaccid ... Differential diagnosis ...  West Nile virus
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
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Nile virus) - ... Miller-Fisher GBS ... lymphoma OTHERS - Acute ... #Differential #Diagnosis ... #Causes #Neurology
Erythema Nodosum Overview

Definition: 
 • EN is an inflammatory condition characterized by tender, red nodules, typically
- Epstein-Barr virus ... the ankles and knees ... Diagnostic Approach ... Laboratory Tests ... Erythema #Nodosum #Diagnosis