32 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... obesity-hypoventilation syndrome ... diseases, pulmonary ... hepatopulmonary syndrome ... Failure #hypoxia #Differential
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... pneumonia (COP), Respiratory ... Churg Strauss syndrome ... #diagnosis #differential ... #pulmonary #causes
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
interstitial lung ... PSS: Sjogren syndrome ... CTILD #Diagnosis #Differential ... Comparison #Table #Pulmonary ... #Rheumatology #
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Coxiella burnetii • Fungal ... Non-Infectious: • Rheumatologic ... : EGPA, Horton Disease ... , Takayasu Disease ... - Metastatic: Lung
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... • Vascular (PE ... • Interstitial lung ... diseasePulmonary ... Hypoventilation Syndrome
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
severity Acute Respiratory ... Distress Syndrome ... Embolism (PE): ... massive/submassive PE ... #differential #
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Hypereosinophilic Syndrome ... (> 6 mo) - Respiratory ... Infectious (Variable) - Fungal ... #Diseases #pulmonary ... #differential #
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diffuse Lung Disease ... • Acute Respiratory ... Distress Syndrome ... • Chronic Lung
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... Urine Histo Ag, Respiratory ... Infectious Diseases ... diagnosis #evaluation #differential
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome ... Hepatopulmonary Syndrome ... , Interstitial Lung ... Hypoxia #hypoxemia #differential