247 results
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Anatomy Annotated on Chest ... lobes #Segments #Chest ... #CT #CTChest #pulmonary
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... Cystic LCH: - LAM ... Diagnosis #Radiology #CTChest
Interpreting Right Heart Catheterizations

Always interpret a RHC based on the indication for getting the test. This
Always interpret a RHC ... for suspicion of pulmonary ... the patient have pulmonary ... Catheterization #RHC ... #diagnosis #pulmonary
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Hypertension on Chest ... @PulmPEEPs #Pulmonary ... PHTN #ChestCT #CTChest
Right Heart Catheterization Waveforms and Pressures
Right Atrial Pressure:
 • Mean: 1-5 mm Hg
Right Ventricular Pressure:
 •
Diastolic: 1-7 mm Hg Pulmonary-Artery ... Mean: 9-19 mm Hg Pulmonary-Capillary ... Catheterization #RHC
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct pulmonary ... doi.org/10.1016/j.chest ... Sign #CT #Lung #Pulmonary
Lung Nodules - Differential Diagnosis by Distribution
 • Centrilobular: Hypersensitivity Pneumonitis, RB-ILD, Pneumoconiosis, Infectious Bronchiolitis, Vasculitis,
Septic emboli, LCH ... #Distribution #pulmonary
Right Heart Cath - Normal Cardiac Pressures

Right Atrial Pressure (RAP) or Central Venous Pressure (CVP)
 •
mmHg (Diastolic) Pulmonary ... Atrial Pressure or Pulmonary ... Cardiac #Pressures #RHC
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... Radiology #HRCT #CTChest
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 ... Patterns #Lung #Pulmonary ... ChestCT #radiology #CTChest