14 results
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus ... HBsAg - Anti-HBs ... heterotypic anti-HBs ... (about 10% of cases ... #diagnosis #laboratory
Encephalitis Differential Diagnosis by Location

 • White Matter: PML, ADEM
 • Limbic System: HSV1, HSV6, Treponema
Encephalitis Differential Diagnosis ... Brainstem: Listeria, West ... Brucella, VZV, EBV ... , Nipah Virus, Acute ... Location #Tropism #neurology
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 ... Chikungunya - Herpes virus ... Reactive Syndrome - Acute ... Ravi Singh @rav7ks
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 ... #diagnosis
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Nile virus) - ... Miller-Fisher GBS ... lymphoma OTHERS - Acute ... #Differential #Diagnosis ... #Causes #Neurology
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... Epstein-Barr Virus ... Hepatitis • HIV ... Pulmonary Disease Neurologic ... • Myasthenia Gravis
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)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
) Acute autoimmune ... , Epstein-Barr virus ... immunodeficiency virus ... virus • Other ... and sensitive tests
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... of acute flaccid ... Differential diagnosis ...  Myasthenia gravis ...  West Nile virus
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
double-stranded DNA virus ... CMV infection: virus ... pp65 antigenemia test ... 50 or less: • Neurologic ... Retinitis (Most common cause