413 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Streptococcus pneumoniae ... Klebsiella pneumoniae ... PMNs and monocytes ... #Diagnosis #Comparison ... #Presentation #Pulmonary
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... pneumonitis, Pulmonary ... Acute eosinophilic pneummia ... Emboli #Pneumonia ... #Mimics #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... fever, cough, and ... : • Cough and ... Infections #HIV #AIDS #pulmonary ... #differential #
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
lymphoid interstitial pneumonia ... OP: organizing pneumonia ... CTILD #Diagnosis #Differential ... #Comparison #Table ... #Pulmonary #Rheumatology
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... Xray and POCUS ... (green arrows) and ... AirBronchogram #POCUS #CXR #Comparison ... Clinical #Lung #Pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... • Eosinophilic pneumonia ... Acute, Chronic • Pulmonary ... ILD #diagnosis #differential ... #pulmonary #causes
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cardiogenic pulmonary ... cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... Diagnosis #Radiology #Pulmonary ... HRCT #ChestCT #Differential
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Sign - Infectious and ... Non-Infectious Differential ... , Pulmonary embolism ... NonInfectious #Differential ... #Diagnosis #pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
alveolar ducts and ... drugs, malignancy and ... consolidation and ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary
Pneumonia on Lung POCUS

Large subpleural consolidation with static air bronchograms.

Dr. Stephen Alerhand @SAlerhand

#Pneumonia #Lung #POCUS #Ultrasound
Pneumonia on Lung ... @SAlerhand #Pneumonia ... #Lung #POCUS #Ultrasound ... Bronchograms #Clinical #Pulmonary