34 results
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Failure - Differential ... 760 mm Hg at sea level ... obesity-hypoventilation syndrome ... hepatopulmonary syndrome ... Failure #hypoxia #Differential
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... • Diffuse Lung ... • Acute Respiratory ... Distress Syndrome ... • Chronic Lung
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonia (COP), Respiratory ... Churg Strauss syndrome ... ILD #diagnosis #differential ... #pulmonary #causes
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Pulmonary Pathology ... pleura in severe cases ... severity Acute Respiratory ... Distress Syndrome ... #differential #
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Room Air + Sea Level ... Hypoventilation: CNS of Respiratory ... Hypoventilation Syndrome ... , Interstitial Lung ... Hypoxia #hypoxemia #differential
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... blood cells in the lung ... - Low-grade fever ... insufficiency, fever ... #differential #diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... edema • BNP level ... Etiology: • Acute respiratory ... distress syndrome ... Transfusion-related acute lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... decubitus - air fluid level ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... Hypereosinophilic Syndrome ... (> 6 mo) - Respiratory ... #Diseases #pulmonary ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... factor • May cause ... Infections #HIV #AIDS #pulmonary ... #differential # ... diagnosis #infectiousdiseases