30 results
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... Ultrasound Findings ... reflection) Pneumonia ... in severe cases ... #pulmonary #differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... polyangiitis, Eosinophilic ... syndrome) • Eosinophilic ... ILD #diagnosis #differential ... #pulmonary #causes
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Legionella: • Nausea ... factor • May cause ... , pleural effusion ... AIDS #pulmonary #differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... Rare: pleural effusions ... , pleural thickening ... , Chronic eosinophilia ... ILD #diagnosis #management
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential ... • Infectious Causes ... Non-Infectious Causes ... polyangiitis (Wegener), Eosinophilic ... Dermatomyositis, Lung
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis ... histiocytosis (PLCH) • Eosinophilic ... Diseases #ILD #Causes ... #Differential #
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea ... - Differential ... Parenchyma: • Pneumonia ... • Interstitial lung ... malformation Pleura
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
Rapid Response Management ... hemorrhage • Pus: pneumonia ... COPD/asthma • Pleural ... atelectasis • Lung ... Hypoxemia #Hypoxia #differential
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 ... Neuromascular Weakness • Pleural
Hyponatremia - Differential Diagnosis by Mechanism
Decr Blood Pressure (“Decr Effective Circulating Volume”) 
 - Volume depletion
Hyponatremia - Differential ... carcinoma of the lung ... ) - CNS pathology ... (e.g. pneumonia ... Diagnosis #Table #Causes