10 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... factor • May cause ... #AIDS #pulmonary ... #differential #diagnosis
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #ChestCT #radiology ... #CTChest #diagnosis
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV ... /AIDS Patients ... complex • Nodular/Masses ... #differential #diagnosis ... #chestCT #radiology
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... healthy pt with fever ... /lung sliding: Pulmonary ... NOT definitively diagnose ... POCUS #clinical #ultrasound
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... decubitus - air fluid level ... seen • Chest CT ... Lung #Abscess #pulmonary ... #differential #causes
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Immune Reconstitution ... /AIDS patients ... be present: • AIDS ... -1 RNA level from ... cryptococcomas, cavitating pneumonia
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... required until immune ... enhancement on CT ... Demyelinating disease caused ... #AIDS #opportunistic
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... (specifically immune ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... TYPE IV RTA, TYPE ... Usual interstitial pneumonia ... , INC risk PE, Pulmonary ... phenomenon (16%) MSK
Severe Influenza Checklist

Diagnostic tests 
 - Blood cultures x2 
 - Sputum gram stain & culture
- Ferritin, liver ... function tests - Ultrasound ... effusion - CT ... scan if diagnostic ... lab-confirmed influenza, pulmonary