134 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Streptococcus pneumoniae ... Klebsiella pneumoniae ... Mycoplasma pneumoniae ... #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
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
Causes of Orthopnea - Differential Diagnosis Framework

 • Fear and Anxiety
 • Pleural Effusion
 • Ascites
of Orthopnea - Differential ... Framework • Fear ... Edema • Severe Pneumonia ... Noncardiogenic pulmonary ... #Orthopnea #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... , Cryptococcal pneumonia ... - 20% of pneumonias ... Infections #HIV #AIDS #pulmonary ... #differential #
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
Pneumonia on Chest Xray and POCUS

Extensive pneumonia in lower left lobe (red arrow). 
POCUS: Dynamic air
Pneumonia on Chest ... POCUS Extensive pneumonia ... CasasolaGarcia #Pneumonia ... AirBronchogram #POCUS #CXR #Comparison ... Clinical #Lung #Pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential ... , Pulmonary embolism ... , Lipid pneumonia ... NonInfectious #Differential ... #Diagnosis #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
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... Diagnosis #Radiology #Pulmonary ... HRCT #ChestCT #Differential