11 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
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 ... to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... injury, leading ... to increased pulmonary ... detected on CT or CXR ... Summary #CheatSheet #Diagnosis
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... involvement, with “white lung ... the differential diagnosis ... #Clinical #Radiology ... #CXR #ChestXRay
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 ... to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... absence of intrinsic lung ... shunt (Type 2) Clinical ... 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 ... Lung Abscess - Clinical ... Blood cultures • CXR ... upright or lat ... #Abscess #pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... Organizing Pneumonia - Diagnosis ... - No specific lab ... #ILD #diagnosis
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
This grading system ... In daily clinical ... chronic obstructive lung ... #Diagnosis #Radiology ... #CHF #CXR #Stages