67 results
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... #CT #Patterns #Pulmonary ... #Lung #Infections ... #Differential #Diagnosis ... #Chest
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... hypertension; CXR, chest ... arterial hypertension ... arterial hypertension ... ; CLD, chronic lung
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
- Differential Diagnosis ... • Interstitial lung ... Arterial Hypertension ... Abnormalities • Chest ... #Differential #Diagnosis
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Vessel Sign on Chest ... CT • Distinct pulmonary ... leading into a lung ... #Pulmonary #diagnosis ... #radiology #clinical
Monod Sign on Chest CT
 • Air surrounding a fungal ball in a preexisting pulmonary cavity
Monod Sign on Chest ... a preexisting pulmonary ... Monod #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Actinomyces spp., NHL; Lung ... Consolidation: Pyogenic bacterial ... disease: Pyogenic bacterial ... #differential #diagnosis ... #chestCT #radiology
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Pulmonary arterial ... arterial hypertension ... Interstitial lung ... Classification #Diagnosis
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Embolism, Obstructive Lung ... , Interstitial Lung ... Gradient #alveolar #arterial ... #differential #diagnosis
Pulmonary sequestration
This is an uncommon cause of lobar consolidation.
It is a congenital abnormality.
A nonfunctioning part of
Pulmonary sequestration ... nonfunctioning part of the lung ... tree and receives arterial ... #Clinical #Radiology ... #CXR #CtChest #