26 results
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
Anaplasma Infection ... phagocytophilum Pathophysiology ... morulae Signs and symptoms ... #Anaplasma #Infection ... #diagnosis #microbiology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Auto-amplification loop Diagnosis ... +++: Virus (EBV, ... Lymphohistiocytosis #diagnosis ... treatment #summary #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... constitutional symptoms ... - Autoimmune Rheumatologic ... #Differential #Diagnosis ... #MSK #rheumatology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
pattern of spread, B symptoms ... Amy Chung, MD, MSc ... Lymphoproliferative #Disorders #Classification ... #pathophysiology ... #Hematology #Diagnosis
Acute Otitis Media: Pathogenesis and Clinical Findings (in Children)
Upper Respiratory Tract Infection: 
 - Bacterial: Streptococcus
Respiratory Tract Infection ... Respiratory syncytial virus ... bacteria into it, infecting ... #OtitisMedia #pathophysiology ... #diagnosis #symptoms
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
e.g., HIV), EBV infection ... Etiology: - Infections ... translocation • Types: Classification ... Differential Diagnosis ... #differential #hematology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
epidural hematoma • Infection ... spine Signs / Symptoms ... CaudaEquina #Syndrome #MSK ... #pathophysiology ... #diagnosis #symptoms
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Visual or auditory symptoms ... conjunction with symptoms ... important, as early diagnosis ... • Herpes virus ... consistent with MS
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Findings - Infectious ... i.e., influenza virus ... HenochScholeinPurpura #Pathophysiology ... #Diagnosis #Signs ... #Symptoms
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
to a preceding infection ... • Most common infection ... jejuni • Other infections ... than one after symptom ... the underlying pathophysiology