12 results
Hepatopulmonary Syndrome (HPS) 

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

HPS-diagnosis:
1. Patients
Diseases of the lung ... and diaphragm HPS-diagnosis ... Alveolar-arterial ... oxygen gradient ... classification
Hepatopulmonary Syndrome
HPS - Diagnosis:
 1. Patients with liver disease
 2. Alveolar-arterial oxygen gradient (AaP02) >15 mmHg
Hepatopulmonary ... Syndrome HPS - Diagnosis ... Alveolar-arterial ... oxygen gradient ... Classification
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
AVMs, Hepatopulmonary ... Embolism, Obstructive Lung ... , Interstitial Lung ... #alveolar #arterial ... #differential #diagnosis
Hepatopulmonary Syndrome - Diagnosis and Management Summary
A defect in arterial oxygenation due to a gas exchange
Hepatopulmonary ... Summary A defect in arterial ... absence of intrinsic lung ... on radioactive lung ... 80mmHg or A-a gradient
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... Pulmonary arterial ... arterial hypertension ... #Hypertension #PHTN ... #Diagnosis #Differential
Pulmonary Hypertension Groups - WHO Classification
Group I - Vascular remodeling of pulmonary arteries
 • Idiopathic, HIV,
Groups - WHO Classification ... arteries • Idiopathic ... III - Chronic lung ... #Hypertension #PHTN ... #diagnosis
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
the pneumothorax has ... is a possible diagnosis ... small airways leading ... to pulmonary cyst ... Clinical #Radiology #CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... , Primary pulm HTN ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis
Hepatopulmonary Syndrome - Illness Script
HPS is a pulmonary disorder of chronic liver disease characterized by a
Hepatopulmonary ... leads to impaired arterial ... presence in the lower lung ... • Aa gradient ... #Hepatopulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... parenchyma Diagnosis ... CT) • Broncho-arterial ... #differential #diagnosis