38 results
Massive Hemoptysis - Differential Diagnosis Framework and Management
Definition: 150-600 mL over 24 hours
Differential Diagnosis:
 • Tracheobronchial:
TB, Mycetoma, Alveolar ... Hemorrhage, Lung ... Pneumonitis • Primary Vascular ... : Pulmonary Embolism ... #Diagnosis #Management
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
” due to alveolar ... syndrome with multiple ... syndrome (thin ... #Clinical #Diagnosis ... #Correlation #Table
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Diagnosis Framework ... westermani, PNA, Lung ... , Idiopathic pulmonary ... #Diagnosis #pulmonary
Hepatopulmonary Syndrome (HPS) 

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

HPS-diagnosis:
1. Patients
Hepatopulmonary Syndrome ... (HPS) HPS-differential ... Pulmonary vasculature ... Diseases of the lung ... Alveolar-arterial
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Hypoventilation Syndrome ... , Muscular Weakness ... , Interstitial Lung ... Hypoxia #hypoxemia #differential ... #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Artery Disease • Stable ... Acute Coronary Syndrome ... Alveoli • Pneumonia
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... Diagnosis Framework ... obesity-hypoventilation syndrome ... hepatopulmonary syndrome ... #Diagnosis #pulmonary
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
Progressing to diffuse alveolar ... involvement, with “white lung ... normal-sized heart and vascular ... structures help in the differential ... diagnosis of pulmonary
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... Diagnosis Framework ... : • Diffuse alveolar ... Postprocedural, Lung ... #Diagnosis #pulmonary
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... Asthma, COPD) • Vascular ... • Interstitial lung ... Hypoventilation Syndrome