17 results
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
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... • Pleuritic chest ... • CT: Halo sign ... #AIDS #pulmonary ... #differential #
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... pleura reflection) Pneumonia ... cases - Dynamic air ... Distress Syndrome (ARDS ... #differential #
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... galactomannan, HSV ... #Patterns #Pulmonary ... ComputedTomography #Differential ... #Diagnosis #Chest
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... CT 1. ... ARDS 3. ... Organizing Pneumonia ... Patterns #Lung #Pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... CXR +/- High res CT ... chest scan), CBC ... diagnosis #evaluation #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
(assumes Room Air ... Weakness, Loss of Chest ... : Atelectasis, ARDS ... , Pneumonia and ... Hypoxia #hypoxemia #differential
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... inflammatory lung injury ... leading to increased pulmonary ... be detected on CT ... oxygenation in pneumonia
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... diffuse inhalational injury ... rarely typical pneumonia ... #diagnosis #pulmonary ... CXR #clinical #CT
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... aspergillosis; AIS ... ; PZ, pulmonary ... #Diagnosis #Pulmonary