13 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 ... Infections #HIV #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
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR, CT ... , ultrasound) - ... Inflammation (e.g., fever ... #Pulmonolary
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... with low oxygen level ... #Clinical #Diagnosis ... #Radiology #CXR
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
radiation dose Ultrasound ... diverticulae). degree and level ... for non-calculus causes ... scan) when an ultrasound ... stones #calculus #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
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
• Wheezing • Fever ... • Recurrent pneumonia ... bronchus • Chest CT ... Broncholithiasis - Infectious Causes ... Noninfectious Causes
CT and ultrasonographic features of COVID-19 pneumonia
Lung CT:
 - Thickened pleura
 - Ground glass shadow and
features of COVID ... -19 pneumonia Lung ... and effusion - Pulmonary ... #Ultrasound #POCUS ... #features #Radiology
Sjogren's Syndrome Overview

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

Autoimmune exocrinopathy multisystemic disease
Hypocomplementemia • Can cause ... Disease: • 10%-15% Pulmonary ... Usual interstitial pneumonia ... , INC risk PE, Pulmonary ... phenomenon (16%) MSK