78 results
Proposed Pathophysiology of COVID19 Lung Injury

COVID19 Lung Injury model schematic based on 1) ACUTE thrombotic vascular
Proposed Pathophysiology ... of COVID19 Lung ... Lung Injury model ... #LungInjury #Pathophysiology ... #COVID19 #Pulmonary
Cystic Lung Disease
Upper Lobe Predominant: 
Langerhans Cell Histiocytosis, Pneumocystis Jiroveci, Hypersensitivity Pneumonitis, Neurofibromatosis Type 1, Paracoccidioidomycosis,
Cystic Lung Disease ... Ehlers-danlos Syndrome ... nickmmark #Cystic #Lung ... differential #diagnosis #causes ... #pulmonary
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
obesity-hypoventilation syndrome ... : Interstitial lung ... ventilation (V) in the lungs ... bypassing the lungs ... hepatopulmonary syndrome
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... Pneumonitis • Treatment ... BrighamChiefs #ILD #Causes ... #interstitial #lung ... #disease #pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... Churg Strauss syndrome ... #differential #pulmonary ... #causes
COVID-19 Findings on Lung ultrasound
 - Thickened pleural line
 - B lines (multifocal, discrete, or confluent)
COVID-19 Findings ... on Lung ultrasound ... alveolar interstitial syndrome ... patients with pulmonary ... #Lung #ultrasound
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... • Interstitial lung ... Hypoventilation Syndrome ... Diagnosis #Algorithm #Causes ... #Pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Pneumonectomy • Trapped lung ... Malignancy • Pulmonary ... Pleural #Effusion #Pulmonary ... Algorithm #Hepatology #causes
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
CT - Pathophysiology ... glass opacity lung ... often, GGO is caused ... #pulmonary #ChestCT ... #Pathophysiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Abscess Pathophysiology ... hemorrhage • Treatment ... #Abscess #pulmonary ... #differential #causes