69 results
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Diagnosis: • CBC ... shows a small, stable ... Coccidioides • Parasite ... #differential #causes
Epididymitis - CDC 2021 Treatment Guidelines
Recommended Regimen:
 • For acute epididymitis most likely caused by sexually
Epididymitis - CDC ... 2021 Treatment ... epididymitis most likely caused ... #Epididymitis #CDC ... #CDC2021 #Treatment
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... effect following treatment ... Diagnosis #Algorithm #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... • Nocardia • Parasitic ... differential #diagnosis #causes
Recommended Follow-up of Treated Syphilis Cases

EVIDENCE OF TREATMENT FAILURE OR POSSIBLE REINFECTION
• Persistence or recurrence of
Treated Syphilis Cases ... EVIDENCE OF TREATMENT ... iritiation of treatment ... 12 months post-treatment ... Management #Guidelines #CDC
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... salmonella, ...), Parasites ... Drugs, Unknown cause ... Treatment: • ... diagnosis #management #treatment
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... , swelling • Treatment ... upper lid • Cause ... painless lump • Treatment ... Chalazion #Comparison #Table
Pneumocystis jirovecii Pneumonia 
Clinical 
 • Caused by Pneumocystis jirovecii (formerly carinil) 
 • Immunocompromised host
Clinical • Caused ... patients with CD4 ... often elevated Treatment
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable ... Treat underlying cause ... Treat underlying cause ... #Stable #NarrowComplex ... #Tachycardia #Treatment
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
occur when the CD4 ... present in 15% of cases ... Antimicrobial treatment ... immune recovery (CD4 ... Demyelinating disease caused