10 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 ... HPS-differential ... Diseases of the lung ... Alveolar-arterial oxygen gradient ... 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 ... Hypoxia #hypoxemia #differential
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... involvement, with “white lung ... structures help in the differential ... #Clinical #Radiology ... #CXR #ChestXRay
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... injury, leading ... to increased pulmonary ... consistent with pulmonary ... detected on CT or CXR
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
States has bilat ... Differential Bilat ... : Pulmonary edema ... , ARDS, interstitial ... #POCUS #clinical
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
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
the pneumothorax has ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... inhalational injury Differential ... , Sarcoidosis, HSP ... #diagnosis #pulmonary ... #CXR #clinical
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Hepatopulmonary ... = increased Aa gradient ... presence in the lower lung ... of orthodeoxia CLINICAL ... #Hepatopulmonary
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
the pneumothorax has ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology ... #CXR #Pneumothorax