27 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
, Pulmonary alveolar ... Actinomyces spp., NHL; Lung ... cancer, Kaposi ... Bronchoalveolar cancer ... #diseases #differential
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Hypoxemia Differential ... Diagnosis Algorithm ... neuromuscular disease ... Cardiac, Vascular, Alveolar ... #pulmonary #Aa
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Cavitary Lung Disease ... - Differential ... cancer, Metastatic ... lung disease ... #pulmonary #differential
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Diagnosis Algorithm ... Emphysema • Cancer ... • Interstitial lung ... Pleura: • Pleural effusion
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
Respiratory Failure - Differential ... first part of alveolar ... : Interstitial lung ... diseases, pulmonary ... Failure #hypoxia #Differential
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
of Hypoxemia- Differential ... Diagnosis Algorithm ... • Interstitial lung ... diseasePulmonary ... #Diagnosis #Algorithm
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Diagnosis Algorithm ... Pericardial • Effusion ... • Sub-Valvular Disease ... Alveoli • Pneumonia
Dyspnea - Considerations with Malignancy
Directly Malignancy Related:
 - Lymphangitic spread to lung
 - Malignant pleural effusion
Treatment Related ... Radiation induced disease ... NEJMcps1414168 #dyspnea #algorithm ... #differential # ... diagnosis #oncology #cancer
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
of Respiratory Center ... • Diffusion Defect ... , Interstitial Lung ... #AA #Gradient #alveolar ... Hypoxia #hypoxemia #differential
Hemorrhagic Pericardial Effusions (Hemopericardium)- Differential Diagnosis Framework

IATROGENIC DISEASE
Secondary to invasive cardiac procedures

NONIATROGENIC
• Malignancy (e.g., metastatic spread:
IATROGENIC DISEASE ... metastatic spread: lung ... cancer, breast ... cancer, lymphoma ... patients with pulmonary