27 results
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Pathophysiology ... axonal form • MRI ... Treatment: • Plasmapheresis ... diagnosis #management #treatment
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... the underlying pathophysiology ... demyelinating or axonal • MRI ... - Spinal MRI may ... and cauda equina TREATMENT
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... herpesvirus 6, Epstein—Barr ... Parvovirus B19 • Parasitic ... differential #diagnosis #cardiology ... #causes
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
often follows a URI ... First line treatment ... in refractory cases ... #Pericarditis #Cardiology
Iron Deficiency in Heart Failure
Pathophysiology:
Chronic heart failure leads to an increase in inflammatory cytokines → Inflammation
Heart Failure Pathophysiology ... → Inflammation causes ... functional ID) Treatment ... endpoint of all-cause ... diagnosis #management #cardiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... • Nocardia • Parasitic ... differential #diagnosis #causes ... #radiology #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... hemorrhage • Treatment ... Coccidioides • Parasite ... #differential #causes
Krabbe Disease 

Check out this interesting case of Krabbe disease, a rare genetic leukodystrophy. Diagnosis was
this interesting case ... Diagnosis was made by radiology ... testing and expedite treatment ... Disease #Diagnosis #MRI ... #Clinical #Radiology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... salmonella, ...), Parasites ... Drugs, Unknown cause ... Treatment: • ... diagnosis #management #treatment
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... cord • Guillain-Barre ... Imaging studies: • MRI ... axial T1 and T2 Treatment ... differential #diagnosis #causes