18 results
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Purtilo (XLP) Acquired ... Drugs, Unknown cause ... Treatment: • ... #management #treatment
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... : Bacterial infection ... upper lid • Cause ... #Clinical #Diagnosis ... Chalazion #Comparison #Table
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Infections 2. ... and duration of symptoms ... , Hypotension, shock ... rheumatology #comparison #table
C.diff - Clostridioides Difficile Infection (CDI) - Diagnosis and Management - GrepMed Handbook

Clinical Presentation + Progression:
Clostridioides Difficile Infection ... Toxic Megacolon, Shock ... Perforation) Pathophysiology ... can be community-acquired ... Ileus, Megacolon, Shock
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Antimicrobial treatment ... is generally required ... Demyelinating disease caused
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
acute respiratory symptoms ... Chronic pulmonary symptoms ... Rheumatologic symptoms ... Aspergillosis Pathophysiology ... fever • Septic shock
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... ARDS to explain symptoms ... : 33% • Treatment ... Reactions #hematology #diagnosis ... #comparison #table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess Pathophysiology ... shows a small, stable ... #differential #causes
Rhabdomyolysis - Differential Diagnosis and Management Summary

Trauma:
 • Immobilization, Crush iniury, Compartment syndrome, Electrical injury
Exertional:
 •
- Differential Diagnosis ... Statins), ETOH Infection ... Dermatomyositis) AKI - Pathophysiology ... Management #Summary #causes ... #treatment
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
/Sepsis/Shock, Autoimmune ... Etiology: • Pathophysiology ... Neurological symptoms ... : • Infection, ... • Treatment of