20 results
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... diagnosis and treatment ... Non-inflammatory causes ... • Herpes virus ... consistent with MS
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
necrophorum - Lemierre’s syndrome ... Herpes simplex virus ... croup • EBV - Infectious ... #differential #causes ... #bacteria #microbiology
Acute Retroviral Syndrome
Acute Retroviral Syndrome is the symptomatic presentation of acute human immunodeficiency virus infection

 •
immunodeficiency virus ... days or weeks • Virus ... 14%), in which case ... • Epstein-Barr virus ... antibody test) Treatment
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... +++: Virus (EBV, ... Drugs, Unknown cause ... Treatment: • ... diagnosis #management #treatment
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
, Epstein-Barr virus ... immunodeficiency virus ... HIV), and Zika virus ... the underlying pathophysiology ... and cauda equina TREATMENT
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 ... Chikungunya - Herpes virus ... Seronegative Reactive Syndrome ... Knee #Effusions #causes ... differential #diagnosis #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... epidural hematoma • Infection ... lumbar spine Signs ... #MSK #pathophysiology
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Findings - Infectious ... i.e., influenza virus ... nephrotic/nephritic syndrome ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
and petechiae Causes ... Idiopathic • Infections ... immunodeficiency virus ... • Epstein-Barr virus ... aplastic anemia Treatment
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... • Bilateral signs ... zoster, West Nile virus ... Herpes simplex virus ... Transverse Myelitis Treatment