9 results
Spinal Epidural Abscess - Classic triad (back pain + fever + neuro deficits) found in only
Spinal Epidural Abscess ... 13% #Diagnosis #EM ... #NSG #Epidural ... #Abscess #Algorithm ... #ALiEM
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... Differential Diagnosis Algorithm ... eg.malaria) • Other parasites ... Skin Infection Abscess ... #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Diagnosis: • CBC ... Clindamycin in case ... Coccidioides • Parasite ... #differential #causes
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Differential Diagnosis Algorithm ... Osteomyelitis • Occult abscess ... malaria) • other parasites ... #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... Syphilis • Pyogenic Abscess ... • Nocardia • Parasitic ... differential #diagnosis #causes
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Differential Diagnosis Algorithm ... Granuloma • Abscess ... Septic Embolism • Parasitic ... Differential #Diagnosis #Algorithm ... #Causes #Pulmonary
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... Ferritin >1000 ng ... salmonella, ...), Parasites ... Drugs, Unknown cause ... 100 mg/m2) : in case
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
disc • Epidural abscess ... Non-compressive Spinal Cord Causes ... Mumps, WNV - Parasite ... TB - Spinal abscess ... differential #algorithm
Babesiosis on Peripheral Smear
85 M from SE USA, hx splenectomy, IgG4 plasmacytic syndrome: F, chills, profound
exchange: blood smear neg ... clinically and dc ... ARDS and DIC, case ... cryopreservation but in abscess