8 results
Hepatopulmonary Syndrome (HPS) 

HPS-differential diagnosis:
1. Pulmonary vasculature
2. Diseases of the lung parenchyma
3. Pleura and diaphragm

HPS-diagnosis:
1. Patients
Hepatopulmonary ... Pulmonary vasculature ... Diseases of the lung ... Alveolar-arterial oxygen gradient ... HPS-severity classification
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... : Atelectasis, ARDS ... Embolism, Obstructive Lung ... , Interstitial Lung ... #differential #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
injury, leading ... to increased pulmonary ... consistent with pulmonary ... detected on CT or CXR ... Summary #CheatSheet #Diagnosis
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
is a possible diagnosis ... LAM is a rare lung ... small airways leading ... to pulmonary cyst ... Clinical #Radiology #CXR
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... absence of intrinsic lung ... cirrhosis • Intra-pulmonary ... on radioactive lung ... 80mmHg or A-a gradient
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... early disease) • CXR ... upright or lat ... #Abscess #pulmonary
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
is a possible diagnosis ... LAM is a rare lung ... small airways leading ... to pulmonary cyst ... Clinical #Radiology #CXR
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... Organizing Pneumonia - Diagnosis ... - No specific lab ... #ILD #diagnosis ... #management