18 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... ARDS 3. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
Pneumothorax, pulmonary ... , pulmonary contusion ... , pulmonary contusion ... abdominal viscus #cxr ... trauma #diagnosis #signs
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
infiltrate (e.g., CXR ... , CT, ultrasound ... procalcitonin) - Pulmonary ... pain) and signs ... Diagram #Diagnosis #Pulmonolary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS ... , Pneumonia and
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
inflammatory lung injury ... leading to increased pulmonary ... be detected on CT ... or CXR ● PaO2/ ... oxygenation in pneumonia
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... Blood: diffuse alveolar ... hemorrhage • Pus: pneumonia ... • Water: pulmonary ... Algorithm #rapid #pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... phagocytic function of alveolar ... Infections #HIV #AIDS ... #pulmonary #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
diffuse inhalational injury ... rarely typical pneumonia ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Diagnosis and Management of Diffuse Alveolar Hemorrhage (DAH)
Blood escaping through the capillary wall into the alveoli,
Diagnosis and Management ... , due to injury, ... hemoptysis, anemia • Chest ... CT scan: diffuse ... #Pulmonary #Differential