45 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... : • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Churg Strauss syndrome ... Diseases #ILD #diagnosis ... #differential # ... pulmonary #causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
pleura reflection) Pneumonia ... Respiratory Distress Syndrome ... #pulmonary #differential ... #diagnosis #signs ... #Lung #POCUS #ultrasound
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Non-Infectious Differential ... Diagnosis Definition ... • Infectious Causes ... Dermatomyositis, Lung
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
infections according to CT-scan ... myelodysplastic syndrome ... Patterns #Pulmonary #Lung ... ComputedTomography #Differential ... #Diagnosis #Chest
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Lung POCUS Young ... POCUS lung exam ... Differential Bilat ... partially seen shred sign ... NOT definitively diagnose
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
- Cirrhosis Syndrome ... carcinoma of the lung ... pathology (e.g. pneumonia ... potomania - “Tea ... #Causes #Sodium
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... - Differential Diagnosis ... • Interstitial lung ... Malformation • Severe Pneumonia ... Hypoventilation Syndrome
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... : Pneumonia, asthma ... hepatopulmonary syndrome ... #Diagnosis #pulmonary
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Effusion - Differential ... Diagnosis Algorithm ... Pneumonectomy • Trapped lung ... Infectious: • Pneumonia