290 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... : • 3 syndromes ... Exam: Can be normal ... 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 ... Churg Strauss syndrome ... Acute, Chronic • Pulmonary ... ILD #diagnosis #differential ... #pulmonary #causes
Pediatric Pneumonia on POCUS

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

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satisfying as when the normal ... lung gives way ... to pneumonia ... Pediatrics #Peds #Clinical ... #Lung #Pulmonary
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... bilateral B-lines - Normal ... Respiratory Distress Syndrome ... unilateral B-lines - Normal ... #differential #
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Clinical manifestations ... , Pulmonary lymphoma ... • Moderate: oral ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... myelodysplastic syndrome ... #CT #Patterns #Pulmonary ... #Lung #Infections ... ComputedTomography #Differential
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
disease-associated interstitial lung ... OP: organizing pneumonia ... PSS: Sjogren syndrome ... CTILD #Diagnosis #Differential ... Comparison #Table #Pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
/0.8)] - PaO2 Normal ... A-a gradient to normal ... Atelectasis, ARDS, Pneumonia ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
correlation in normal ... lung, pulmonary ... due to alveolar syndrome ... fibrotic alveolar syndrome ... #Clinical #Diagnosis
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Interstitial lung ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome ... Hypoxemia #Hypoxia #Differential