31 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... • Infectious Causes ... Non-Infectious Causes ... Dermatomyositis, Lung ... #pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
- Lung point ... pleura reflection) Pneumonia ... pleura in severe cases ... #differential #diagnosis ... #signs #Lung #POCUS
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... Findings on Chest CT ... Organizing Pneumonia ... #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 ... symptoms (e.g., ... chest pain) and signs ... #Pulmonolary
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... of Pneumonia on ... sliding: Pulmonary ... partially seen shred sign ... NOT definitively diagnose
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... Lobar pneumonia ... level and high D-dimer ... nodular interstitial lung ... #Clinical #Diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... consistent with pulmonary ... be detected on CT ... oxygenation in pneumonia ... Summary #CheatSheet #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... seen • Chest CT ... #Abscess #pulmonary ... #differential #causes
Lung Findings on Physical Exam
Crackles:
 • Short, discontinuous, sounds mostly heard during inspiration
 • Caused by
Lung Findings on ... edema and pneumonia ... words louder #Lung ... #PhysicalExam #diagnosis ... #signs