237 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... Legionella: • Nausea ... factor • May cause ... , pleural effusion ... reported in 100% of cases
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
your grand rounds/cases ... smoking. structural lung ... Burkholderia — structural lung ... MAC (structural lung ... #Microbiology #Causes
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
gas equation • Causes ... : Interstitial lung ... ventilation (V) in the lungs ... : Pneumonia, asthma ... bypassing the lungs
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... Bird fanciers' lung ... ILD caused by inhalation ... (coal workers' lung ... differential #pulmonary #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of interstitial lung ... Unknown • 6-7 cases ... Rare: pleural effusions ... Diagnosis: • Lung ... TBNA or Surgical lung
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Algorithm Ventilation/perfusion ... • Interstitial lung ... Malformation • Severe Pneumonia ... Diagnosis #Algorithm #Causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... pleura in severe cases ... Possible bilateral effusion ... submassive PE) POCUS ... #POCUS #ultrasound
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
Main Lung Ultrasound ... superimposed bacterial pneumonia ... Large pleural effusion ... areas #COVID19 #POCUS ... #Lung #Ultrasound
Pediatric Pneumonia on POCUS

Nothing as satisfying as when the normal lung gives way to pneumonia. 

-
Pediatric Pneumonia ... on POCUS Nothing ... when the normal lung ... #POCUS #AirBronchograms ... Peds #Clinical #Lung
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... consolidation due to a pneumonia ... caused by Sterptococcus ... pneumoniae. ... Radiology #CXR #Pneumonia