13 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
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
Chronic Obstructive Lung ... #Diagnosis #Pulmonary ... GOLD2017 #Staging #Grading ... #Classification
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 #ARDS
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung ... is a possible diagnosis ... small airways leading ... to pulmonary cyst ... Clinical #Radiology #CXR
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... ischemic changes CXR ... distress syndrome (ARDS ... Transfusion-related acute lung ... #differential #diagnosis
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
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis
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 ... Sputum cultures growing ... #differential #diagnosis